Posted by Brian Jasper co. Ia on December 11, 2008 at 21:41:53 from (72.171.0.143):
In Reply to: O/T bucking Chevy posted by jay-eye-see on December 11, 2008 at 15:01:42:
Just because they are both 2.2L doesn't mean they're the same engine. Use all of the powertrain management sensors that are original to the car you're using. Don't swap PCM's. Use the injectors original to the car. Do a slow sweep test with a digital ohmmeter on the throttle position sensor looking for a gradual change in resistance. Any large jumps, the sensor is faulty. You're certain you have no vacuum leaks? No holes in the air duct between the throttle body and mass air sensor? No foreign objects covering the mass air sensor? Map sensor has it's vacuum line intact with no frozen moisture in it? Have you checked exhaust back pressure from the pre catalyst sensor hole? Lightly restricted exhaust will cause part throttle misfires that go away under heavy acceleration. 1 psi or more is unacceptable back pressure.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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