WebMay 16, 2024 · 1. It is stuck open. Bad or injector pintle has dirt stuck keeping it open. 2. ECM injector driver for that cylinder is shorted to ground. Back probe the injector … WebOct 5, 2024 · Symptoms of Bad Vortec Spider Injectors: The engine misfires Lack of strength Idling gets rough Poor fuel efficiency Struggling to start If you have a 5.7 Vortec Engine …
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WebAug 11, 2024 · What problems are you having? It will be running fine, no indication that there is any problems, then just quit. A few times it might stumble, or hesitate before it dies, but usually it just dies. The last time it died I was convinced it had to be something else. WebMar 24, 2012 · Joined May 15, 2009. 1 Posts. #6 · May 15, 2009. I have an S10 4.3 and has been running rich, I got a code reader it gave P0172 system adaptive too rich, my fuel pressure is 55-60, I just replaced the 2 O2 sensors, and same thing. I've tried fuel additives to try and clean the injecters and still the same. p12gts nitecore
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WebChevy GMC 4.3 L V6 Spider Injector Assembly Replacement Part 1 - YouTube Chevy GMC 4.3 L V6 Spider Injector Assembly Replacement Part 1 John Dobis 11.3K subscribers Subscribe 362K views 9... WebJun 29, 2024 · Spider Fuel Injector Problem in CMFI (CPI) System If your 4.3 Vortec engine has CMFI (CPI) system or spider injector system, the fuel leaks at the pressure regulator … WebLearn how to check fuel injectors. I use a screwdriver to test fuel injectors to make sure they are firing. You place a long screwdriver to the base of each injector and put your ear to the end... p13 farm sweet farm