Go to autozone have them check codes if not obd2 u can pull codes with a paperclip an jump plug that they plug scanner into an check engine light will flash code autozone will be able to tell u what code is
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Sounds like a misfire or a bad valve. If this isn't what your looking for please let me know. The more information and details, the better. The vehicles maintenance history, "Engine Light" status (on or off), what tests you have run, and anything that you have noticed. Rough idle issues can be caused by more than one type of failure. Examples: clogged fuel or air filter, stuck/damaged EGR valve, restriction inside exhaust, spark plugs, timing, or low fuel pressure. There are more examples but it would be better if you could tell me more. Good luck.
Generally, fuel problems cause an engine to lack power. If the check engine light is on you should have it scanned for trouble codes. The fuel filter should be replaced every 30-50,000 miles and the air filter checked at every oil change.
check or replace fuel filter for clogging up. if it does clog up, then you will not get enough fuel to engine to run it properly. it will stall at stops, and be very sluggish on takeoff. check fuel pressure if need be. could also be a bad catylist convertor. so check above first. Rent a fuel pressure
guage from advance or oreilley's and check fuel pressure if needed. they will tell you the proper fuel pressure for your car.
Test the fuel pressure. With gauge connected to the fuel rail turn key on, listen for pump, when it stops,turnthe key off and leave gauge connected for an hour. The original reading should been 50lbs., if it drops any more than a couple of pounds the pump is bad. The M.A.P. sensor sounds like it was another item in itself.
you know what that sounds like it may be.... believe it or not check your trans fluid (car running WARM and in park ) make sure that the fluid is red almost pink like not dark red. Also why not try and change out the spark plugs and air cleaner!
Cleaning the fuel line was a good idea although it will need time to take effect. Another related problem could be clogged or stuck fuel injectors. Another thing to do is pull the spark plugs. Old or dirty spark plugs also contribute to engine sluggishness. Lastly, bring the car to an autoparts store that features free diagnostic tests. If there are any error codes stored on the car's computer, it would give you an idea where to look for any electrical problems.
the white smoke as it stalls could be steam in the exhaust. This is caused by coolant leaking into cylinders from a leaking head gasket. You should check cylinder compression next with a compression tester.