1991 Cadillac DeVille "idles power rough" Questions

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Question about Cadillac DeVille

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...idles rough when air con is turnd on ur idle my be running to low to start with the air con is a pump and will take power from the engine and wen u turn on ur air con there is a clutch on ur pump ...

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Question about Cadillac DeVille

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...rough. Will run great with lots of power as long as you are driving. Can restart and drive and it starts the same cylcle again. True of many cars. Happened to me too many times, fourin or

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Question about Cadillac DeVille

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...power idles rough, no acceleration,over heats and pumps all the antifreeze out Probably needs a tune-up, timing may be off and check all the hoses, maybe flush the radiator too. I'd have it checked ...

...power didn't eventually stalled. Started again, ran real rough, parked it, battery drained completely by next morning, had it charged, started car, very rough idle, put it in gear felt like it would ...

Question about Cadillac DeVille

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rough idle when starting vehicle, it acts like it wants to stall after a few minutes at idle. It spits and shutters, then it revs itself up and runs great. This happens every time it is restarted. If ...

Question about Cadillac DeVille

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idles rough,has a loss of power, and skips a little bit but doesnt backfire or anything like that. Its like a sort of mis-fire but i replaced the spark plugs, wires, dist. cap, ign. coil, TPS, EGR,MAP

Question about Cadillac DeVille

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...idles rough. how do i check to see if getting power to egr soleoid, or signal from ecm use an OBD II reader, $60 at Walmart. Also try cleaning out your air intake. Carbon buildup can cause rough idle ...

...rough.and then when i had looked on the dash it seems the battery voltage would go up and down.But its super cold out right now its 30 degrees and it just recently started.And i just went out and ...

...idles ok sometimes, then when I drive it it seems to lose power, then it will speed up and backfire, then run good for a couple of minutes, and sometimes when it runs rough my power brakes are very ...

Question about Cadillac DeVille

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1986 caddy sedan deville fleetwood with just under 100K miles ... not sure if it's gas or oxygen sensor, or something else entirely ... but I noticed the average gas mileage indicator is down from ...

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