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no signal to injector 1990 2.5 S10 Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Car Troubleshooting cheriekiss Novice Aug 9, 2006, 4:37 AM Post #1 of 7 (2832 views) no signal to injector 1990 2.5 S10 Sign In 1990 S10 2.5L tbi fuel injected, not starting....no pulse going to injector checked with a noid light....nothing...what could be the problems???? way2old Veteran / Moderator Aug 9, 2006, 4:39 AM Post #2 of 7 (2827 views) Re: no signal to injector 1990 2.5 S10 Sign In Check fuses under the dash first. I believe there are 2 fuses for the ECM. If one of these are blown it may not allow the injectors to pulse. Being way2old is why I need help from younger minds cheriekiss Novice Aug 9, 2006, 4:43 AM Post #3 of 7 (2826 views) Re: no signal to injector 1990 2.5 S10 Sign In have checked fuses they arent blown but ty way2old Veteran / Moderator Aug 9, 2006, 9:28 AM Post #4 of 7 (2820 views) Re: no signal to injector 1990 2.5 S10 Sign In Have you looked at the injector wiring under the air filter housibg? These sometimes get pinched and injectors will not pulse. Being way2old is why I need help from younger minds cheriekiss Novice Aug 11, 2006, 6:03 AM Post #5 of 7 (2815 views) Re: no signal to injector 1990 2.5 S10 Sign In the wires arent pinched...just wondering if there was anything besides the trucks computer that could cause loss of injector pulse signal...being they are pretty expensive to replace and pretty much non returnable after u give them your old one for the core charge,,,into the cookie jar pretty well allready ..new fuel pump and filter and injector before we checked for pulse with a noid light...truck cranks over and runs with gas dumped in it...I dunno ...maybe ought to dump gas on it lol lol Guest Anonymous Poster 64chevy@live.com Aug 17, 2009, 1:33 AM Post #6 of 7 (2663 views) Re: no signal to injector 1990 2.5 S10 Sign In I have an 88 S10 with the same problem. Did you find anything? Did the computer fix it? Hammer Time Ultimate Carjunky / Moderator Aug 17, 2009, 1:43 AM Post #7 of 7 (2660 views) Re: no signal to injector 1990 2.5 S10 Sign In This thread is 3 years old. If you need help you need to start a new question of your own. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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