I have a 1992 Grand Prix LE, 3.1Liter, V6 Motor, My Car has been running fine, Until a couple days ago I was on the highway and the motor just died and I tried to start it backup about 3 to 4 times right away and it would not start then I left the car to get help and about 30 minutes later the car started right up and I drove it home about 2 miles. Then the next day The car kept stalling and lose power when I stepped on gas pedal, The Idle would go up and down and then sometimes when step gas the car would seem like it stalled, but the motor lacked power, I replace the Throttle body sensor,, MAF sensor, I even took it to shop to be on scope the 2 codes that came up where the sensors I replaced, and didn't fix problem. I have a problem once before with fuel injectors, So I had different ones on. Then I found the MAP sensor unplugged and jammed in the motor, And I have tried everything and the car is still stalling and lacks power. What else could the problem be. Could it be the fuel injectors again because the ones I replaced were used. But the mechanic tested them and they were good. But he sprayed something in there and the car ran fine, It seems to be a lack a fuel to the injectors or could of the person not do the work on them right or something else that is related or connected to them.
Thank You,
Sheila
Optional Information:
1992 Pontiac Grand Prix 3.1L 6cyl
Already Tried:
MAF sensor, Throttle Body sensor,
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