Question about Cars & Trucks
94 F250 5.0 backfire through intake no accelleration, reset to normal running by turning off and on ignition switch however normal run doesnt last very long. Changed EGR position sensor, EGR solonoid, fuel filter problem is semi random, just more on the problem side, rarely do you come to a complete stop and are able to take off again without reseting by turning off/on ignition. when problem happens at full speed, shift to neutral, turn off/on ignition fixes problem for about a minute or two.
This sound electrical like bad coil or even timing as when it backfires the sensors put it into limp mode which usually resets itself when turned off and restarted. Take the truck to Autozone and get a free diagnostic reading and when they plug it in it will give you a trouble code. They will tell you what the trouble code means or you can enter it in your search engine and you will get lots of info on what it could be with probably lots of other people that had the same issue and how they resolved it.
Posted on Nov 05, 2012
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Posted on Jan 02, 2017
SOURCE: 2004 sentra 1.8L
check the fuel pump first.after that check the fuel filter. probably it is clogged.these parts are loacted in your fuel tank floater.remove the back seat.remove the screws.your car is young so the crankshaft position sensor must be working properly.
Posted on Aug 12, 2008
dont look for air when the car cuts out its most likley spark or fuel when it cuts out ranomly its usually a sensor or relay that is faulty check fuel pump relay and camshaft or crankshaft sensors but first narrow it down to spark or fuel if possible also if check engine lite is on check codes
Posted on Mar 26, 2009
SOURCE: grand voyager problems
I ran into this problem this past winter and after going threw everything I finally solved this problem by taking off the fast idle servo and cleaning behind it with solvant If it gunks up in their it cannot function properly causing it to stall when idiling or coming to a stop. Try this simple solution it will more than likely work for you and keep it from stalling.
Posted on Apr 16, 2009
It sounds to me like the ICM ( Idle control motor )
Posted on Mar 07, 2010
Testimonial: "I am in the process of this... changing the ICM, I ordered one from Ebay at 100 dollars (cost range from 250 to 350) BUT the gasket was not included."
Fuel injected or carb? Make sure fuel line itself is clear. Some pumps are designed to self regulate (carb systems) some continually pump and a psi regulator sends back the excess fuel back to the tank (fuel inj systems) If the line is obstructed then pump can't deliver fuel fulltime.
If you think pump is not on consistent, try running a dedicated wire through a switch directly to the pump. If it works then you are looking for an electrical fault going to pump. Good luck.
Posted on Mar 10, 2010
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