What is your question?
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What is your question?
Check Engine light comes on sometimes. When it comes on vehicle idles rough. When not on vehicle runs fine. Brake and intilock light always on. Help. Pulled the codes and I think it read code 27. What is that? TPS?
27 flags a problem in the fuel injector driver circuit. This could be a problem in the PCM (computer) , wiring, or the injector itself.