Hello, all! I’m a college student who bought his first car about a year and a half ago. Got a 2011 Toyota Corolla with a little over 90k miles. I’ve since hit 97k. I’ve been having some issues with my engine and at this point I’m a little desperate to fix the problem, because I get super anxious ab…

[image] lonker6: My question is: what do I do to stop the “running rough” situation? What could be causing that? I plan on replacing the rest of my ignition coils in the future, but I’m not sure if that would help or not. I suppose you didn’t go to the dealer and they put in an aftermarket co…

Okay, that makes a lot of sense thinking about it. Do you think I’d need to replace my spark plugs too then?

The spark plugs are to be replaced every 120,000 miles. Replacing the engine mounts might be necessary to eliminate that idle discomfort.

Runs rough, misfire? You saw flashing cel light on dash?

I’m of the school that believes the first step should be a compression check to make sure the engine’s top end is good. It’s stated that the car was not taken care of too well. Verify the engine is half decent before spending money is my premise. A precursor to a compression check could be connecti…

2011 Toyota Corolla engine concern

Maintenance/Repairs

Purebred June 11, 2021, 12:33pm 6

As far as the spark plugs, if they are the exactly the same as OEM plugs specified they should be fine, if the shop substituted a different plug then change them.

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2011 Toyota Corolla engine concern

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