1992 Richard Petty Edition Grand Prix Starts the dies

**garthbjr** · 08-12-2011

New to this Forum and Grand Prix's. I just recently bought a 1992 Richard Petty Edition Grand Prix. It starts then quickly then dies, it will stay running as long as I keep my foot on the gas but won't rev past 3000 rpm's. The previous owner said it had sat for some time due to a cracked lower intake manifold.
I replaced the lower intake, drained the fuel, replaced all the fluids & filters. Is there some thing I may have missed or from sitting so long is there something else I need to replace or clean, bad sensor or something else. Any help will be greatly appreciated.
Thanks in advance for any assistance, David

**redlinepontiac** · 08-12-2011

maf sensor, crank position sensor maybe? fuel filter?

ps sell me your wheels

**garthbjr** · 08-12-2011

Originally Posted by redlinepontiac

maf sensor, crank position sensor maybe? fuel filter?

ps sell me your wheels

Thank you for the info Redline Pontiac, I will try and replace those sensors, already replace the fuel filter.
Thanks again, David
PS- I will keep you in mind if I decide to sell the wheels.

**RareGMFan** · 08-13-2011

How many miles, and has the timing belt ever been changed?

**Z34Phoenix** · 08-20-2011

have you tested fuel pressure. mine just started doing that the other day and when i tested fuel pressure it was less then 1/2 of what it should be. should test 41-55 key on engine off and 44-58 engine on. it was reading 31 key on engine off and engine on was 18psi. i have a P0171 for bank 1 lean. so its not like there is a stuck open injector.

if fuel pressure is good then i would look at: MAF make sure it is clean. TPS. VAC leaks.... these engines can be very tricky to get back together without vac leaks.

the good thing is they are bullet proof. i have 220k miles on mine and the engine is still running strong. just the tranys that cant hold up.

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