QuestionVan starts but will shut off immediately unless the gas stays pressed. Can drive forever as long ad i do not take foot off of gas. Engine light is on. and speedometer needle is stuck on wrong side of peg. Dont know if it has anything to do with or not.
Thanks
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Hi Cheryl,
I hope that you have make some progress on these problems.
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Hi Cheryl,
My immediate suspicion is that your egr valve is sticking slightly ajar which will cause the engine to falter/stop as you slow down to idle speed, and you are correcting for that with the pedal. The valve is located near the throttle body air intake at the end of the engine, mounted in pipe that recirculates exhaust gas from the rear cylider bank exhaust pipe back around to the intake manifold. The exhaust gases have some fumes that can plate out a crud on the valve stem and thus keep it from closing tight when you are at idle. That makes for a too lean mixture so the engine stalls. The valve proper is mounted horizontally, and below the air intake of the engine. The valve has 3 sections (the valve body is mounted in the pipe, a round top with a vacuum hose attached to it, and in between a flange, with the stem visible in a space between the body of the valve mounted on the pipe and the round top of the valve and so if you look carefully in the flanged area you will see a metal rod (stem of the valve) with a slot around its circumference. You can take the tip of flat blade screwdriver and insert it in the slot and then lever the valve back and forth to check if it is moving freely (against spring action in one direction) or not. If it doesn't seem to close easily with the help of the built-in spring, then I would spray the base of the stem with solvent from a pressure can (such as WD-40 or carb cleaner) while moving the stem back and forth. Then see if that solves the issue.
Other than that, it could be a cruddy throttle body throat, throttle plate (both sides), and idle by-pass passageway. Just remove the air intake hose and clean out those parts with sovent. But look for the egr and see if getting that stem to move freely fixes it.
The check engine light means there is a fault recognized which has been stored in the engine computer. Turn the ignition key:"on-off-on-off-on and leave on" doing that in 5 seconds or less elapsed time. Then watch the odometer window to see the mileage change to show some 4-digit numbers preceded by a P. Let me know the numbers and we'll go from there.
On the needles: witht he ignition switch 'off', press and hold the 'trip odometer reset' button until the word 'sof. #' appears, then release the button and the cluster may show a further number and then the word 'end'. Note any numbers, and also notice that it will go through a series of actions to test itself which will probably get the needles back around to the other side.
Roland
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