Question about 2001 Pontiac Grand Prix
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Posted on Jan 02, 2017
SOURCE: no start on 3.4 engine
If your car has spark and runs on starting fluid you have a fuel problem not a cam sensor. 41 lbs of fuel pressure is not enough. Try pinching off the return fuel line and check the pressure. Let me know what you find.
Posted on Dec 18, 2008
sounds like you have a vacuum leak, check all the vacuum hoses and replace any broken or kinked ones, also check around the intake manifold gasket for leaks. any air leaks after the air flow meter creates 'un-metered' air which inturn will make the car run rough and stall, hope this helps
Posted on Apr 04, 2009
Check the ignition control module. Sounds like the exact same problem I have had with mine. Took it to the dealership and the were able to tell me right away. The ignition control module is very easy to replace and is located on the top of the valve cover. Hope this helps!
Posted on Apr 17, 2009
Check the fuel pressure at the shredder valve, make sure there is the proper fuel pressure, I think it needs to be between 60PSI to 65PSI but double check that. If the fuel pressure is correct the crankshaft and camshaft sensor send signals to the ECM which trigger the proper injector to pules at the right time. Recap: check the fuel pressure if that is correct, have the car scanned for any DTC codes. Oh and just in case you have no fuel pressure, check the fuse to the fuel pump and fuel pump relay. Keep me posted , be glad to help.
Posted on Jun 04, 2009
not saying this is the answer but ido see gm cars with these problems the dealer ads remote door locks to cars and they dont soder any of the wires the get paid one hour to install theses systems so they kinda throw them in thers alittle black box under the knee panel it has a yellow wire that is split to left fuse box one wire go to harness if that becomes loose car will not start and may trip security lite check for littel black it will be ty strapped to lower panel .... hope this helps THUNDERBOLTZ
Posted on Jun 23, 2009
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