Asked by terryb78 Mar 02, 2014 at 05:20 PM about the Chevrolet Silverado 1500
Question type: Maintenance & Repair
I got a 1988 chevy 1500 with the 350 engine in
it..It starts when i put gas in the carb 1 time
a day and then runs for 10 min and the injectors
stop..i have replaced wiring harness,fuel
pump,relays,computer,filters,distrib cap..
Check this out: http://www.ask.com/explore/repair-fuel-pressure- reguator-88-chevy-350-tbi-4954 You may have a bad fuel pressure regulator or bad Throttle position sensor. It would also be a good idea to get some throttle body cleaner and go right through it. Make sure that your Idle Air Intake is clean and not blocked.
Thank you..I will try that tomorrow and update my results after i am done..
yetilikesbeer answered 10 years ago
If you have fuel pressure when the injectors stop firing it may be the ICM or pick-up coil in the dist. The pick-up coil reads you cam position and feeds the signal to the ICM. The ICM converts it for ignition and sends a signal to the ECM, The ECM must see 400 rpm to fire the injectors. One or both could be cutting out causing the issue. If you change the ICM use the heat sink compound when mounting to the dist baseplate.
I got a 1988 chevy 1500 with the 350 engine in it..It starts when i put gas in the carb 1 time a day and then runs for 10 min and the injectors stop..i have replaced wiring harness,fuel pump,relay...
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