249,000 + miles 2000 model V 6. Just replaced injection spider.Starts up fine idles
smooth. No "check engine" light. It seems to hesitate at first then doesn't I'm thinking fuel
filter. Thoughts / comments
I know it's Hesitation
Uh No would rather fix this one I know how the new ones are built.I work for a GM supplier.
Dawg!! We have the same reputation score! AWESOME SAUCE!!
I saw that as well James. I know this truck like the back of my hand, and don't want a truck payment. Just looking for any thing that would cause hesitation other than possibly fuel filter.
Fuel injectors maybe?? What's the condition of the transmission?
Here is the answer to my own Question. From the intake plenum there is a hose that connects to a "T" and a one way check valve located next to the ABS module on the finder in front of the driver. That "T" connects vacuum to the in dash duct work and a vacuum reservoir. The hose to the reservoir had dry rotted and broke. So after replacing my injection spider and not knowing about this hose I had an open vacuum source. After correcting this issue hesitation is gone.
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