SOURCE: 2000 monte carlo ss 3800
3800's are really good motors, but that's a sign of fuel injector problems. I've seen this all to many times. Run some injector cleaner through it and see if cleans up.
One question however, does it stall out and have a problem restarting? Black smoke out of the exhaust? This is sign of an EGR valve problem that may be fixable simply with a nice cleaning.
I'd try the injector cleaner first, and if it continues, go onto the EGR valve. If this shows no problem, it may be a good time to take the car to a mechanic and have the injectors tested. They may be failing but not giving out a fault indicator.
SOURCE: 2002 Monte Carlo wont start
sounds like your passlock sensor on the ignition barrel is faulty. you will have to go to the dealer to have it replaced because of the programming after replacement.
SOURCE: My 2000 monte carlo ss with a 3800 engine tends to
I believe the codes are emmission related. I would have the fuel pump pressure checked. The fuel filter and fuel pressure regulator seems to be the failrue. The restarting of the engine several times is making the system build up enough pressure to start running . I would take to a shop to have the fuel pressure checked.
SOURCE: 1995 monte carlo starting and run problems
Sounds like the fuel is draining back towards the fuel tank, which is the reason for extended cranking till fuel reaches injectors. My guess would be the fuel pump in the fuel tank. It contains a REVERSE FLOW VALVE, which SHOULD prevent this. A visible way to check would to place a manual fuel pressure gauge on the fuel rail valve. After shutting the engine off note the degree of pressure drop, if any. Hope this helps
SOURCE: i need serpentine drive belt diagram for 2004
Here is a diagram i have.
If it's to small just let me know.
2004 Monte Carlo with 3.8
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