Boomer 0 Posted April 7, 2018 Share Posted April 7, 2018 Ok I have 2014 spark with around 160k miles. I have a issue I need help with. Start up cold drives like a new one no issues. After reaching operating temperature it goes down hill. At this time if I get it driving does good but after stopping it won't take fuel back. I can floor it and nothing forever. First thought was throttle or accelerator sensor. Hooked up scan tool and did a sweep on the sensors and they work fine. Revs fine in neutral as well. Also no engine codes. Got a p0700 one time but it was after it messed up a bunch and was it had been revved and dropped in gear to get out of road. Think that code is irrelevant because it's a vague transmission code. Any help would be great! Link to post Share on other sites
Bobby MSME 100 Posted April 8, 2018 Share Posted April 8, 2018 Is the fuel pump sending fuel to the injectors when it won't respond to gas pedal? I once drove a 1971 Chevy Nova with V-8, and it had those bronze fuel filters which would clog up easily. So I cut the fuel line to the carburetor and installed a large see through in-line fuel filter. That was very helpful when the car mis-behaved, like when my fuel pump died. Another situation was with my Olds Alero. It had a bad key sensor, and would occasionally cut out fuel after stopping. It was the anti-theft feature doing me in-convenience! The engine would crank but would not start due to no fuel. Link to post Share on other sites
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