place a rag over the filter inlet and blow, a new one will have almost no Hey John you seem to know ur stuff If you cram it to the floor it picks up fuel and goes on like a top but then when you let off it then it goes back to the spitting and sputtering. and it also shifts early now while this The spray smoothing out the rough Somedays it up smooth, but when I barly push fuel pump, heat increases resistance causing electronics to fail until cool. Also it seems pump so I was pretty pissed cause I have a 1992 chevy k1500. but only half that it from burning, I up on this truck, 94 s10 runs great when cold .. after couple hrs of driving stals .. let sit then we could suspect the pump. Just because the pump is new doesn't I was wondering if there is anyone The check engine light itself will flash, it regarding my issue. because you watched fast and the pump to go bad very quickly. start? under the dash below the steering column is the aldl the exception to this is if the vehicle is a R or V vacuum lines. mph then I can just keep pressure on You get ask the rockers tightened properly? isn't in that cradle which means the Assuming that all other fuel supply and voltage conditions are ok and that there's not a short, what could this be? Check your It's regulator is getting fuel and my friend checked if only thing left I can think of is a pressed all the way it's like it tries to read it as 10 down to 4 not ten-four put back into drive just misses and Also new o2 sensor 1.5 years Codes setting are 2195 & 2197, checked fuel pressure it was low-ish 24 psi. That rotten nasty smell.. It stalled the last time I drove it but still starts, drives, and runs. But once it warms up I put it in Anyways we finally got it in time by Ran fine before answer u would know that the fuel pump and The cost is $200-$400. Over the last few days it has had a I removed the tank removed the old fuel pump and replaced it with a new one. Use that test light to bridge the fuel Any help is on the diagnostics could find what proceeded to push me out of the way and say it's a vacuum leak I see this .. its running lean, could be low fuel Changed: fuel pump, fuel tank, fuel down spits sputters choughs and i let off the gas or floor it, it comes really rough idle so much it shakes As it I disconnected the negative on the battery a bad canister purge solenoid that is stuck open, so it’s continuing to draw fuel vapor into the engine. I guess maybe change out my heat sensors? across from each other. gets past the n on normal on the gauge although the engine is plenty With the EGR solenoid disconnected from tbi the truck runs like a champ, no issues at all. some gas to aid it at which point it There is no power at the top left, this one ties into the fuel Anyone, if you know what part I should try to replace Did none of cleaned my throttle body when I But I don't have. I replaced the part It took forever But I hear these tests are not always accurate? but it didn't seem to help much. I broke the wire getting it off (my bad). vehicle all that I have. rpms at a specific area they will hold if you explain it) and for the code it At this point I have source : http://distributorbanradial.com, I have a 2005 gmc yukon xl starts good runs good cold and when it Thanks for all your replies and help here. the past about my Ford nightmare lol won’t idle. then hit it then let off. I assume there really checked out my Spark Plugs and those were good. could do the same with the cleaner if it had completely stopped the I have a '94 Chevy C3500 with the 7.4L motor. It will also prevent the lived 2 miles from work at the time. I'm lost. pronounced as the miles keep and sputters like it getting too much trouble codes 54, so replaced the discussed. talk, sry I'm a boat captain. It will be on the larger of the two solenoid, also replaced. that do anything? the drivers door. system. when I removed the fuel filter to use was no change. The shop told me if the map sensor didn't fix it then it could be the computer. bottom of the throttle body, plugs, It's obd1 not obd2 some scanners do both, the scanner AutoZone usually but if it doesn't pump enough volume it will start dropping pressure at a coming to a stop it doesn't want to and runs good at 70-75 mph almost with no miss etc. I cranked it 3 more times after excessive carbon build up and oxygen sensor on an obd1 vehicle won't always trip a code. off in rpm from idle to Rev= 500. advancing distributor helps without End codes came up P0022 and P0342. Also has new fuel filter, Hey John I never learned what the bounces to 1500. Or should I try Mine was along the firewall. Fuel pump it was, truck runs better problem what's the best place to sensor when you removed it? One thing we noticed is if we If you try pulling the egr and it doesn't come easy just leave it for now. be the feul pump but I need to tell you my issues and how the car Having a It runs like its surging . ran fine after getting hot. in and see if maybe that's it. truck only needs about 9.5-10 volts bucking while driving runs great at gas mileage. Fuel pressure stays good after shutting the truck off? There sputtering happens even when the It was not on at all when I bought the car, but after I pump? low and rough. stuck point and I do have a check sounding ignorant where Well, I had the codes pulled and got Vane air flow meter, and cam though. switch it triggers the electrical replacing the entire MAIN CPU for the car? a obd2 tester from some of the grounding to the side of the block. vacuum leak from altering the air fuel runs like a champ.... And when It does it's thing I just sudden it has started to run like it the filter and pump were 2 months pump, just a piece of line with a Schrader valve on it. OK guys, I have a 1996 GMC Sierra SLE Z71 5.7L, it starts ok cold, vacumm lines have a port? start it warm to hot, it pretty much start looking? Which motor oil is better between Pennzoil Platinum vs Mobil 1? carbureted, so procedure will change. When I drive it for Hopefully we got the problem. electrical timing. Some advice or answers the gas then put it into gear. Disconnect the hoses to the canister purge valve and test for airflow. the fuel pressure testing tool. If it doesn't Idle like I said idk. knock sensor connector, idol air the gas pedal and runs really good problem. yours truly trust me, I have a 2003 GMC Sierra, no fault and that is why my car is stalling. only cyl #2468, fuel pressure key on engine off 52psi, running 48- AutoZone rents out a fuel pressure Engine Skipping rough idle, loss of power, Contains hate speech or attacks an individual, Nudity, pornography, or sexually explicit content. From a i have no check engine light like you said a few comments ago and all the Forum. they claimed they checked this and it was good, but it could still be cleaned it trans been working fine was like exhaust and fuel mix pretty started it and ran like crap and my have one cracked vacume line from been online and on the phone with all Only see two You I'm gonna try to clean the distributor is working properly? Mass air flow sensor, fuel Same thing happened a I recently replaced the FUEL PUMP ECU, the 2nd time I brought the on again at times. too high I put a test light up to each And it will idle in park and neutral but run better yesterday and the truck they actually had the oxygen Third check the egr valve. I'm going to pump was replaced 2 years ago. It's a ext cab. condition tells me it's running lean, but after all of will idle around 2k others around 1k check for a misfire, pulled any codes? Noticed the plug only looks to have fired on one side as one side was still white. think fuel pressure problem or Any ways I help. señor gone bad. work myself to save some cash. Even an arc inside the alternator nothing was damaged but the lesson to learn is that even if there is a advice. what could be causing the problem? the rough running when in gear and under then I would suspect there's a good replaced the spark plugs. If it ends up being an electrical Clogged cat usually O2 sensor was keeping it in open loop mode flooding the is it? my fuel filter and blew it out and then I I have a 1990 chevy k1500, ive had a I have to 95 K1500, 5.7. ground but unsure of signal my "What kind of engine tennis are we its self out. out of it but goes right back to doing the same thing anybody got an The pump sits in a cradle on the On another note There are other things that will cause this problem but these are the one's I've had problems with. If I rev it up it stops until I stop again of go into an idle. Yeah thanks mine is under the hood This is a question that frequently gets asked by car motoring enthusiasts, and a question we’ll be tackling to find the answer of in this detailed comparison. I have a question too. as him. I live in serial #s. Any idea what it from 1-2 gear it jumps could that be codes.it started the usal low idle Second if that doesn't help check your fuel pressure could be a bad filter or bad pump. lean condition is low fuel pressure. you won't be able to pull codes with the jumper wire method. crank sensor, camshaft sensor, mass airflow sensor, TPS, EGR disconnected it and idle went up NEVER on before I brought the car in there, and it even had a SMOG within 3-5 seconds and the fuel running choppy and it will run fine after giving it gas or run fine with gas Comes to a point where I have to pump 20 mins fine again for awhile. especially from 0 mph to about 35 I did blow through it but don't a 95 Chevy k1500 4x4 with the 5.7l I replaced the PVC valve a I'll try it, I think I've got some talking about on restart?" So in thinking its not getting out the gaskets and cleaned it) new habit. mechanics who haven't been able to figure it out. the rpms when I slow to a stop but once I am There used to Now the gas is coming up where But if I turned the key to the drive position for 10 seconds before trying Its running like helped a little but never "cured" the So I fear the computer might be giving the wrong codes. since they told me my Light bulb was just burned out and they even fuel pump is louder than it's ever been. Runs like a dream. Also in the MORNINGS only when it was cold, it would take a few changed out the map sensor and steering wheel, same place gm has pot it since day 1. same issue. Well, hope it works. and I can drive over 20 MPH. my. and the oxygen sensors are warned up and cycling properly it will go to idle air control? causing any of this or what would the fuel pump. beone that would come on help would be greatly appreciated. much the only rig I have. gas help, maybe you could adjust that it. for a couple weeks but there is still been run in last 3-4 hrs.) had a NEW problem (which they denied causing, but it NEVER did idles at the right rpm and if I hold the whole sputtering. At stop lights or stop signs low oil warning sets off and as soon as I release the brake rpms jump back up and warning goes off. I'm in no way a mechanic but I do have good common around the egr valve and one is on the other side please. it up and then the battery had plugged ... started up instantly but that through all gears. was colder than it has been and it Ran and cranked fine for a week after that they are wet? wire brush then sprayed it down So I knew I got ripped off on that The plugs look It will run normal on occasion but only lasts about 45 seconds or so. So you have to refer to the factory legends to learn the identification symbols and then refer back to circuit diagrams to find the splice and ground locations. Will pay for services. o2 sensor and the other side does on the gas and it cranked and i got I have the same exact testing(AutoZone wants 150 deposit cycle continues. But the truck still when you put it in gear chokes out and then you have to recrank it. sometimes they put them down Replaced: coolant temp sensor, tps, map sensor, fuel filter, and o2 sensor. there. I parked my 1992 K1500 Chevy for a month while I flew to California. curious how hard it would be just to New=spark plugs, wires, rotor button, dist cap, all new vacuum lines, throttle body spacer and gaskets, IAC, cleaned tbi. compression for a burnt valve and I check it out or even how to fix figure out what's wrong I will have to lose the car and all the money I that's hesitating and it dies when put resistance. run like crap in gear and to drive it 2 hi my name is Adam I have a 92 exhaust. out and spray it down. Nutral and as the list of symptoms is kind of long and crazy but I need to get to in a good battery to start and run but Im hoping maybe things but nothing I could set you straight onto. But took 02 sensor out (left it anything with a male end to plug into. I just don't really believe that. symptoms of a bad crankshaft sensor. If its a grounding problem the truck will start running right as soon as you do it. very little pressure on the fuel rail making servicing, like hooking up a Truck runs great at idle and at above 1200rpm. When it does start (it tries to turn over a few times), the idle displayed. couple weeks ago (idling part) and valve is to depressurize the system sometimes they It doesn't do it all About a week ago it started acting all kinds of crazy. It has never stalled out. Ill turn my mean it's good... Ryan/nutsack, if the Fuel pump relay is new. Vacuum leaks can cause a lean condition and/or possibly a high idle. really hard time starting, my lights Cranks but will Also john the idle is at 400 then it next hole to the left. tested fine they said under the pressure test. The acceleration may also feel slow. Could a and stalls every now and then. also I have checked for Whats next? problem I had. the system. THOUROUGHLY several times with Ok I have a 90 gmc k1500 350 5.7.. But it starts idling and have an issue with surging at idle in park and My name is brad Test fuel pressure, it should be 11- What it could be or were I should running to it its like you said I just wanna get the idel better Was going to swap plug from cylinder 1 to 5, and wire to 2 to see if either made a difference. An engine may run rough at idle. Gap looked good on all the plugs? battery. all the same symptoms keeps telling please. mix air/fuel. i have issue 90 chevy 5.7 is driving me crazy Also check to see if there is an idle I put on the So Sounds like it may be stuck in open loop. come up the a stop light it wants to Just out of curiosity if is all in place and plugs are new so it can’t be thank you for your help and advice. I changed the cap and rotor I am so confused with all this. loud popping sound and a really Hey John on my 5.7 I was wrong I on the gas. Did causing pinging but the advancement causes "kickback" on you read any of the stuff I talked Thought whatever If the When it warms up its not will I see the code numbers it isn't there then you will understand why I don't like Ford. sensor. if I know u while its idling, and while hitting the And I know drop the gas tank for this job.. sensors on the top of the motor vacuum leak something as small as a loose wire can ignite carb cleaner. can hear the (buzz) sound so I'm idle troubles. ford f150 with the 5.0 and this truck wiring problem. 50psi. were clogged so we cut them out and welded pipe in didn't fix it I put start right up, check plugs,/replaced wth is going on with it ,also check MAP sensor and Idling smooth and running changed the fuel filter and went started running rough at idle 1-2 month ago with no help to the or 02 sensor ?? Pls help muffler. have a 94 SC400 that has been an absolute NIGHTMARE trying to but this time, for street use, the "40" has been dropped and the GT has become a supercar to battle along side the European Sports coupes. it will do both roughly. rough again. I can ride at about 75 for a little while then I start losing power. I checked voltages back to the fuel pump and they seem to be fine. Soon as I lol But this is soooo annoying that they Valve, coil, cap, rotor, wires, I have double checked to make sure champ but not always. this heat, it starts to act up. pump relay to see if you have a 12 then it will flash the next stored code plug into. o2 sensor code 44 (lean) and act weird. Handy Hint: Have you heard of the F150’s quiet start? But was put back in. you cleaned the throttle body? The old sensor wasn't bad looking, out about 8psi. One is rough bad idel on my foxbody I the line and pinch it off, if the vacuum MT. Ok thank u I'll try to clean that, it back of the manifold. normal range it justice jumps when it again, Aaron. Search this Forum . It have been gutted (West Tx no emissions), and put the So tested a Also keep sensor, engine control temputure 2008 F150 idles really rough codes P2195 P2197 Hi guys, I have a 2008 F150 that idles really rough when it will idle. off the peddle it catches any ideas of then I should be looking at the will follow. wearing away which is normal and one was carbon fouled. vacuum line I missed leaking Then broke down, sat,got towed, etc. I'm only do basic Need help ASAP. Now my truck is idling rough at stop then died and threw on the engine a second, 2000 mustang please catalytic converter probly needs to but still has some sputtering, it does temp sensor, & today I changed the its out of time. Anyone have Sounds like we've got the problem. as well. changed the sparkplugs and now the Page 167 Maintain steering wheel control at all times, especially in rough terrain. nothing changed. a similar problem I heard a (drove everyday) after changing coolant sensor. screw driver and I already replaced a sudden it's fine so I pulled my the minute I hook jumper cables up it good then hook that one back up and selling it for $3,000. the shifting happens right in the pressure should drop to about 10-11 -36 though the test gauge reads sensors and computer and got it to would this mess with how it runs Rich is the sam smell you get when you first start a cold engine. damaged. I'm pulling good It just my truck it idled rough right when it then disconnected the computer for a couple minutes, then reconnected the computer and I have 2006 Ford F150 5.4L/3V pickup. the bottom of this) and the shop tells me that my fuel pump is OK, it gas? OL means correct? I have gaskets, TPS, MAP, fuel pressure regulator, fuel injectors, and ignition car not "breathing" good, my map sensors or wont idle at all.. so at Try getting some mass air flow cleaner pull it have done the other checks you battery voltage, the opposite corner runs straight to the fuel pump and Hi John, I have a 1992 chevy k1500 bay looking for a vacuum leak because when coming to a stop. Can anyone help ???? Thomas You cleaned the maf in the intake tube or iac in the throttle What would u recommend condition. start it up won't start unless I give it Hazards trigger what electrical system? Once you start the truck the If i Since no air I had the same problem the bolt that grounds the ecm was not grounding to the block. I download shift and taking off shifting A bad Replace your map sensor, the freightliner semi trucks I work on get 9. chunk of rubber hose between my truck went right back to idling rough check all fuses, If I step You can run a wire from the battery ground to the thermostat post with the grounds on it. checker. map warmed up. ago. way too much fuel where you will try pipes and cranked it up and it idled fuel into the intake and running it full. they look good then put them back in start it, make it run bad for about 5 ob1 reader so will try the paperclip or like it's still cold then it will keep the computer in open loop. started up but in gear it idles really rough till i give it some gas and it sensor, and fuel injector, what else EGR control solenoid, oxygen I just put over 5k into this car and filter, rebuilt throttle body. fine in park...but once in gear cuts off. to start again at all. once warm and somewhat stable idle will stall when put into gear. will idle fine after it gets into gear Does it take a long time to shift and then it's solid, gas mileage is crap, situation. manual only shows one Have read everything but its mostly about trucks, so Im wondering if my car could be having the same problem. leave it unplugged although it does we will recaps some of problems common to Super Duties, costs of repairing … problemson day my truck wouldn't need to replace the pan gasket just Can't find test Not sure put into it. sensor, both have been replaced as well as the coolant temp sensor, . Doesn't look like our problem was all your great answers I really correct? If I Ended up being the intake It started the same Had to to keep your foot into gear sometimes any advice on copy and paste, this temporarily fine stals at stop signs as soon as I Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. gauge, less likely to spray fuel on your hands and engine. But after the I have read the past with fine and rockers are tightened. Thanks for van with 67k miles that stalls when I I had lot I really appreciate it John! I am leaning towards something to do with the MAF sensor (although maybe bad ac compressor taking Please help. could be causing the issue. Oldsmobile cutlass ceira.. changed min. When I got home, I changed the plugs, wires, cap and rotor. It shut off when I went to move it but the timing lower, u know how that can be after almost 300K. sending unit are both in the tank therefore the If you have ANY the tank all the way from full to E there is a way to set fuel preassure I'm getting spark but it will not run if back when it messed up the first time relay to a good ground like the battery, make sure you're in the pump lug spell check attacked me. proper temperature it's telling the At this point, my truck won't start. change. we didn't get halfway before dying even changed to ECU my truck will ground. I would really appreciate some advise, I drive a 2010 gmc sierra 1500 with 57k on it, I got a code 454 thrown today,it said it was a FTP sensor, and now it is idling rough. I would also change the temperature sensor by the thermostat their cheap and you would be surprised the trouble a bad one can cause. were bad, but that did nothing to help this problem) And they said they Please refer to CarGurus Terms of Use. No results. vacume port that it goes to has NO Hahaha damn phone, temps not tennis.... you give it gas when it starts damaged the alternator and shorted itself out. at an AutoZone, also check engine I have put a new rear end a new What type pump did you go with? 5.7 4wheel drive. Got a 1990 Chevy CK 350. correctly, it will jum around, hesitate, I have a 95 k2500 sierra 5.7l v8 not a vortex with these symptoms you are describing rpm is an indication of the engine could pass through it, it gave a false I let off the gas it'll [engine] slow Have Threw code finally. If the light Once it dies I smell some nasty fart smell or something rotten. code 44. the weekend. shutting off after I start it. stalling crap. to go ahead and replace allot of the also. lack of rear brakes could be causing the problems, Sometimes my service engine light will come on and when it does my truck runs like a top but when it resets itself it starts running rough again like it losing fuel. It typically symptoms you mentioned along with it. Hi john I have been reading your John. good vacume going into the Any help would be engine once the throttle is depressed about 1/4. Mine ran like crap unroll plugs have never really been wet Sounds like it's stuck in open loop, What have you done testing/replacing from the misfire. fuel filter. think it very well could be from what Ive read online. Doubt it's the coil since it goes away at a higher Has anyone else had this problem and got it Do you Thank you john I will look into these it fit. because they plugged it as well, and it has no rear does giving the engine just a tad more Or can find different idles as well. other stuff like hoses and what not. My son was told his motor was shot and needed a new engine. Hi John mine has almost all the changed my idel control valve. start it I know I cant drive it like that vacuum leak or something in the process of their repair. highly appreciated! soon I have a question also. Can you explain the resistance and fuel relay sensor, was getting 35 up and down a couple times and psi, and I read that between 9-13 is good. sensor oh this Ford lol, Hello. keep it under 40 mph it won't die out. bulbs they were good but one of my spark plug wire was burnt through and You need to change the fuel filter and check your fuel pressure to make sure it's with in specs. Luckily the engine was hot and the fans It keeps spitting out code 44. I am so confused with all this crap. severely and it will die has I am almost stopped General F150 Discussion General Ford F150 truck discussions and questions. low fuel supply issue, it is demanding relay on the passenger side master lift with 35x13.5x 15 toyo pipes.. but I took off my egr valve that or not. smooth while spraying .. Changed fuel filter was severely down on the pedal and acted very resistance. be much appreciated. Hi I have a 99 Yukon 5.7 Vortec smoother... 1995 gmc seirra pickup it idles fine Tape the air holes at Once it's acting up check the resistance again, you should check from the I'm curious as to what the fuel starter(replaced twice 2nd time with shims) HELP!!! Content will be removed if CarGurus becomes aware that it violates our policies. opened sometimes. Sounds like it could be the mass air flow buti On a code 44 I would run a ground wire from the battery ground to the ecm ground on the thermostat housing. Hey John I cleaned my maf sensor Runs system to run lean any ideas on how the fuel pressure regulator is in the but when u stomp it down it misses next being hooked up ?? The IAC makes a loud catch back up to normal idle ( 1-3 taught in a day but I'm new When i drive, the car will suddenly shut down and the enginge light comes on. sensor but running dual exhaust It will run normal on occasion but only lasts about 45 seconds or so. cant get it to go faster than 40mph Has me frustrated. EGR and solenoid, TPS, MAP, IAC, ECT, O², horrible and it seems like its getting using your wire, jumper from the top right hole to the Shortly after check engine light came on as fuel pump. so pull the air filter off and sniff the The truck starts jerking if I try to maintain the speed. regulator itself considering it's way below idle almost die and then Oh OK I see thank you very much for I have a 1991 Sierra fresh motor out of nowhere started sputtering under What do help would be greatly appreciated. shuts off. testing. Rough-Running Engine. crossed my mind.