96 blazer loss of throttle response
#1
96 blazer loss of throttle response
Hello all , I’m trying to diagnose my blazer , and perhaps I may need to purchase a scope , feel free to suggest a cheap but functional brand .
I will be driving along a gravel , bumpy section of logging road about 40 to 50 Km/hr at light steady throttle and suddenly I can feel the throttle drop out ,
I will push on the pedal and it will not respond all the way up until flooring it to get some response but very buggy until I let of the pedal and it all response returns to Normal , it will go in and out intermittently I’m assuming from vibration. ?
I have a spare throttle body and with tps and iac so I swapped it but no change
put a new tank and pump in due to a leak but no change .
I will be driving along a gravel , bumpy section of logging road about 40 to 50 Km/hr at light steady throttle and suddenly I can feel the throttle drop out ,
I will push on the pedal and it will not respond all the way up until flooring it to get some response but very buggy until I let of the pedal and it all response returns to Normal , it will go in and out intermittently I’m assuming from vibration. ?
I have a spare throttle body and with tps and iac so I swapped it but no change
put a new tank and pump in due to a leak but no change .
#2
This is a portable and inexpensive way to see basic low voltage behavior with limits:
This is a more robust choice:
For secondary ignition you need a set of high voltage inductance probes:
I have and use all 3 of these. That said, I dont think that this is were you should start. Drop out from a bumpy ride implies something that is loose, corroded, mechanically faulty, etc. I would start with live data monitoring during an event to see if a sensor drops out or you get any other clues.
George
This is a more robust choice:
For secondary ignition you need a set of high voltage inductance probes:
I have and use all 3 of these. That said, I dont think that this is were you should start. Drop out from a bumpy ride implies something that is loose, corroded, mechanically faulty, etc. I would start with live data monitoring during an event to see if a sensor drops out or you get any other clues.
George
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chevyracing95
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06-27-2007 01:31 PM