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alfred_sky1

Matrix rough running stalling

My 2010 Toyota Matrix with a gasoline engine is having issues. At 89401 kilometers, it's running rough, stalls at idle, the check engine light is on, and it jerks when accelerating. I think it might be a bad ignition coil, maybe from a bad cable or plug. Anyone else seen this?

Summary of the thread

A 2010 Toyota Matrix was experiencing rough running, stalling at idle, a check engine light, and jerking during acceleration. The suspected cause was a bad ignition coil, possibly due to a faulty cable or plug. After consulting with a mechanic, it was confirmed that a bad ignition coil and connector were the issues. Replacing these components resolved the problem.

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4 comment(s)

theo_hofmann6

Sounds familiar! I had similar symptoms on my Matrix. Check engine light, hesitation, the whole shebang. Does it feel like you're driving a bucking bronco sometimes? I would start by looking at the ignition coils and their connectors. They can get corroded or cracked over time.

alfred_sky1 (community.author)

The 'bucking bronco' sensation is spot on. Could you tell me which ignition coil(s) were the problem, and how you diagnosed it?

theo_hofmann6

Well, I didn't have the gear to properly diagnose it myself, so I took it to a trusted mechanic. They ran some tests and confirmed it was one of the coil packs failing. Best bet is to get it checked out at a workshop.

alfred_sky1 (community.author)

I took your advice and went to a mechanic. They found a bad ignition coil because of a bad connector. Replacing the coil and connector cost 95€. It's running great now.

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TOYOTA

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MATRIX