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Old 11-20-2005, 04:08 PM   #8
jaybur_racing
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Join Date: Nov 2005
Location: faribault, Minnesota
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Re: Re: Lumina full throttle problem

Quote:
Originally Posted by jeffcoslacker
Or a vacuum gauge connected to manifold vacuum should hold steady when running at high RPM, slow drop indicates restriction.
ok did the test, NOT the cat, and actually it looked pretty new (car has 185K ,iles on it)

I ran a new wire to the fuel pump, it didn't seem to change the effect.

now if I shift into 1st gear from a stop, slowly take off and at about 10 mph nail it, it falls on its face like you lost all power, bring it back to 3/4 and it keeps going, this is getting annoying! I bought the car from an auction, and it looks like someone else has already tried numerous things to try and fix it. It has a new EGR also. I guess I will just check the injector values so I can rule those out.
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