Finestey Posted September 7 Share Posted September 7 2009 Corolla that makes a lot of noise and has a rocky start. It starts up easily and runs smoothly after that. My guess is that this is something. I've thought about trying different plugs, but I'm still not sure if the fuel pump is the culprit. Link to comment Share on other sites More sharing options...
Tearcarl Posted September 7 Share Posted September 7 What are the ECM codes? Link to comment Share on other sites More sharing options...
Tearcarl Posted September 7 Share Posted September 7 absence of codes Link to comment Share on other sites More sharing options...
Tearcarl Posted September 7 Share Posted September 7 🥲 Link to comment Share on other sites More sharing options...
Micobe Posted September 7 Share Posted September 7 To check if the spark plugs are in good working order, remove them. Take a look at the power source and battery. When starting a car with a weak battery, a lot of power is required from the alternator—power that the engine needs to run well—after the car has started. Link to comment Share on other sites More sharing options...
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