Hello All,
New memeber here. I have been visiting here for a while.
I have a 99 Grand Prix GT that will not start.
The car cranks but doesn't start.
I have replaced the crankshaft postion sensor and camshaft postion sensor and I have spark off coil packs.
I have between 38-42 psi fuel pressure, which seems low, since it specs at 48 or more. I changed fuel filter with no change in pressure.
I tried pulling off the Mass Airflow wires and tried starting with no luck.
I have spark and I have fuel at the rail. I don't know what pulses the injectors or how to check them.
Does anybody have any idea which direction to go in?
Will that low of fuel pressure cause this no start condition?
Thanks for your help.
John