Question about 1991 Ford F150

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My truck is sputtering. when i try to accelerate is does it in short less than a second spurts. i have replaced the fuel filter. my truck also makes a hissing sound

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  • 249 Answers

Sounds like a vacuum hose leak or intake leak..Get a can of brake kleen and spray around the intake and hoses and see if the idle changes.

Posted on Jul 28, 2010

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1 Answer

Sputters during acceleration


What was the purpose of replacing the pump ? And what year is the Dodge ? And did they also replace the fuel filter ?

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Ran out of gas put gas in and now the car will not start


Running out of gas on a fuel injected vehicle, is very bad. Mostly, due to the fuel lines get pumped up with compressed fuel vapor. The pump can quit from running dry, & need replaced. See if youcan find the shrader valve on the fuel line, easily found on most GM's, usually none on Fords. I sometimes crack the rear fuel line (steel) on end of fuel rail. Crank a few times with the ECM fuse out so it cannot accidentally fire, if fuel comes out. Another alternative, until the fuel pump get fuel to the fuel rail.....is spray a few short shots of "starting fluid" on the air filter. (about a 4 second count). SpraY; 1 ONE THOUSAND, 2 ONE THOUSAND,3 ONE THOUSAND, 4. No more than that, then put the filter back in, close the box quickly,without snapping in & crank. DOes it run then, if it sputters & spurts, proably needs a fuel pump. On fuel injected vehicles, they are usually in the tank.

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My van has no power when I press the accelerator quickly. It will accelerate normally, but has no high end pedal. I have replaced plugs, wires, fuel filter, air filter, mass air flow sensor, and had the...


Sounds to me that you have an issue with the vacuum. you need to check all lines, make sure none of them are cracked. sensors in the coolant system can get 'gummy', when this occurs the computer will think it is either running colder or hotter than it really is, so maybe have the system flushed. a good way to tell it is a vacuum leak is if when you are cold idle and it is very fast,

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Chevy truck sputters/hesitates when I press the throttle


My First thought is fuel injectors pull off your air intake and airfilter cover spacer. start your engine look at the injectors you should see i steady stream of fuel spraying in. if you don't replace your fuel filter, injectors. If you can try to make sure your fuel lines isnt clogged.

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loose vacuum line, check for same, also check the map sensor and the measure the fuel pressure, make sure its at spec

Jul 27, 2009 | 1998 Chevrolet Astro

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Sputtering at midrange rpm somtimes


Perhaps I'm too late and too long winded! But to answer your question about the fuel pump, yes the pump failure mode could be gradual. But as for your "sputtering" engine the root cause could be related to the fuel or ignition system. For clarification I have a few questions. (1) Realizing this may be an intermitent problem, can you make the engine sputter if you rev the engine with tranmission in park? If yes, this reduces the probability of the sputter being ignition related. (2) When you do rev the engine do you get full rpm's (> 2000rpm) or does it seem choked/limited? If no, your suspisions maybe correct and your engine could have a fuel system problem. (3) Or possibly the sputter only occurs/worsens when the engine is loaded? You can sufficiently load the engine by applying the park, service brake pedal, shifting the transmission into drive, and then slowly applying moderate accelerator pedal. It shouldn't take more than 25 to 50% of accelerator application to safely load the engine.

Two possible solutions: If the engine sputters with the transmission in park or you just don't trust the fuel pump you might want to check the fuel filter first before condeming the pump. The alcohol content in fuel could have cleared enough debris to plug your 3 month old fuel filter. You should be able to blow through the filter without much effort. When the fuel filter is clogged it will fatigue the pump and can lead to failure. It could also be poor fuel quality though. (2) If the engine sputters loaded check the ignition coils and module. One way to check a coil is to disconnect a plug wire set before trying to duplicate the problem. If the engine sputters worsens with a wire set disconnected that coil is okay. You will find the culprit when the sputter doesn't change with a plug wire set dis connected.

Oct 26, 2008 | 1993 GMC Sierra K1500

1 Answer

My diesel truck won't run for more than ten seconds.


It sounds like a fuel leak - possibly around injecrors. Papa-D

Oct 24, 2008 | 1986 Ford F 250

1 Answer

ENGINE SPUTTER AND DIES ON ACCELERATION


check your fuel filter, take an air compressor and blow air through the "in" end if no or little air is coming through then just replace the filter, if fuel filter is ok then try a fuel additive to clean your injectors which are a very common problem when the engine gets gunky build up on them

Oct 01, 2008 | 2002 Chevrolet Monte Carlo

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