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OT: 3.0 V6 update
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Posted by CWL on July 27, 2007 at 05:25:55 from (64.66.89.57):
I did some more checking last night, but I ran out of time before I got to the compression test. Fuel pressure tested and held 50 psi with the key on motor not started. With the motor running it maintained 60 psi at all rpms. The pressure guage that I used has a bybass hose on it. I pushed in the bypass button and got a steady stream of fuel with the engine running. Didn't seem to be starving the engine for fuel at all while I was doing this so I think fuel flow is okay. I got a can of the MAF cleaner that Gerald J was talking about and tried that. It seems to be running smoother at an idle, but still feels like it is missing under a load. Maybe it is the MAF sensor?? If I can find time this weekend I still plan to run a compression check. I also think I will see about checking the catylitic converter as many have suggested. One thing that I forgot to mention in my first post is that the engine is hard to start after it has ran for a while. Generally I have to hold down on the gas pedal to get it to start. When it has been sitting overnight it will usually start without even touching the pedal (like it should). Thanks to all that provided the helpfull input!
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