El Camino Update

Rod Diagnostician California Posted   Latest  
Discussion
Driveability
1985 Chevrolet El Camino 4.3L (Z LB4) 3-spd (THM200C/MV9)
Runs Bad
Reduced Power

El camino up date , back probe computer , inspected wiring integrity . 

replaced computer did not even start and ran , with original computer it ran poorly.(both injectors worked)

another computer , one injector driver not working , runs on 4 cylinders .

we will try a third computer.

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Inappropriate
Glenn Owner/Technician
Texas
Glenn
 

Check the air cleaner spacer area of the TBI injector wires, they tended to rub through and create issues like you described.

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Agree
Gary Owner/Technician
Colorado
Gary
 

Right on, Glenn…

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Martin Instructor
British Columbia
Martin
 

Good call Glenn. When reinstalling the TBI injector wires, we were required to put a single twist in to shorten the injector harness so it didn't rub and chafe through on the sharp edges of the air cleaner spacer/PCV fresh air pipe adapter. There was a Service Manual Update (SMU) or info to that effect at the time.

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Scott Manager
California
Scott
 

Hi Rod, FYI, this is NOT the proper way to “update” folks on a previous request for help. When you reply to your original message you’ll be able to apprise all that had previously helped out and those who bookmarked your post with the update. You’ll also be able to change the “status” of your post as well. The key here is to have the entire discussion contextualized in one place so that…

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Thanks