1987 Oldsmobile Calais Fuel injector

SAFO

MEMBER
1987 OLDSMOBILE CALAIS
4 CYL
FWD
AUTOMATIC
260 MILES

Kindly I just want to ask about my oldsmobile calais 1987 sport body(2 doors).

i have a problem that is when I drive it make a black smoke behind it and it cant drive it in a hard ways like driving to the mountain or something like that and when I drive it for one or two hours it turned off when I remove my foot from over the power pedal.I checked the fuel pump and changes it and the map sensor also and the o2 sensor but I still have the same problem.

please can you help me to solve this problem.

thanks alot

regards

1 Reply

JACOBANDNICKOLAS

MECHANIC
109,755 POSTS

Black smoke usually indicates there is too much fuel getting to the engine. Make sure nothing is blocking the air filter. Check to make sure the fuel pressure regulator is working. Check to make sure there are no stuck injectors.