When I start the car it idles very high and it runs really rough and eventually dies but when I drive it it has no power when I push the gas pedal but if I just let it idle it goes to 20 mph. I replaced the fuel filter yesterday and it helped it used to just start for 30 seconds then die.
SOURCE: 94 cadillac concours deville 4.6 northstar ,
replace fuel filter first. cheapest and easiest.
SOURCE: i have a couple codes P0335,P0385,P0171,P0174. My
Resolve trouble codes and try again, if car runs ok no problem if not, write again.
SOURCE: I start my esclade and
Sounds like the fuel pump going bad. You will need to check to make sure you have the correct fuel preasure for at least 10 mins. You can find a fuel preasure tester at any auto parts store. Same thing happened in my 2002 Escalade, replaced the fuel pump for around $650.00. Good luck
SOURCE: I have a 1994 Cadillac Deville Con with Northstar
Hi, my name is John I will do my best to assist you. If you haven't already, I suggest that you check for trouble codes stored in the computer. Any information obtained can help in determining the type of problem, and help in narrowing down the possibilities. If you have more specific questions please post comments to this thread and I will endeavor to monitor new activity and respond as soon as possible. I recommend that you "bookmark", or "add to favorites" this page for your convenience.
http://technoanswers.blogspot.in/2012/02/pushing-on-gas-pedal-but-car-slows-down.html
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After replacing brake rotors and pads,
brake pedal remains on floor?
http://technoanswers.blogspot.in/2012/02/after-replacing-brake-rotors-and-pads.html
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accelerator pedal sensor?
http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html
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For rough idle issues and problem troubleshooting,go through the help links provided below :----- van idles rough?
http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html
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will not idle when cold?
http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html
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runs lean and idles rough?
http://technoanswers.blogspot.in/2012/02/ford-runs-lean-and-idles-rough.html
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Engine stumbles coming off idle when warm?
http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html
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Erratic idle on car?
http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html
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Low idle when cold out side?
http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html
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Idle Air Control (IAC)
Valve Replacing?
http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html
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Engine quits at idle?
http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html
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Car overheats and Air blows
hot at idle?
http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
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While stop engine idles
like cylinder missing?
http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html
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This
will help.
Thanks.
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