12 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHChanged engine mounts - cylinder 2 misfire
Leading reported evidence
Replace about 2 weeks ago
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
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Performed · outcome unconfirmed · Original poster
This was the result of a cracked tank which was replaced about 2 weeks ago.
Leading evidence: 'Replace about 2 weeks ago' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check engine comes' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed · Original poster
Took the car in to have the engine mounts changed, went well.
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Suggestion · Original poster
Finally check engine comes on, scanner says, misfire cylinder 2.
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Suggestion · Original poster
About 20 min later, once I leave the place, check engine light off, drove it 30 miles back home, no check engine light, drove it today, no check engine, could it be coil is ok?
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Suggestion
I wouldn't replace them unless it's obvious they need to be replaced - 12k they should be like new.
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Suggestion · Original poster
About 20 min later, once I leave the place, check engine light off, drove it 30 miles back home, no check engine light, drove it today, no check engine, could it be coil is ok?
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12 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261026T122219Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Took the car in to have the engine mounts changed, went well. Once done, they noticed dried coolant on the rear undercarriage and engine.
This was the result of a cracked tank which was replaced about 2 weeks ago.
So they decide to degrease the undercarriage and engine and then rince with water.
As I'm driving off, notice that engine is hopping upon acceleration. Tried a couple more stop and starts and when I accelerate engine hops. Finally check engine comes on, scanner says, misfire cylinder 2.
Mechanic thinks it's the coil, so new coil ordered.
About 20 min later, once I leave the place, check engine light off, drove it 30 miles back home, no check engine light, drove it today, no check engine, could it be coil is ok? And it was the degreaser and water from when they rinced the engine that got in contact with the coil and caused the cylinder to misfire?
please help any thoughts are welcome
thanks
That's kind of the definition of a cracked coil. Acts up when wet, plays nice when dry.
You should go ahead and replace all 6. Doing just some means you'll need to do others in a few weeks. Count on it.
If you don't know when the plugs were done, you might as well do them as well since the coils will be out.
I want to say they are a 4 or 6 year item "by the book", but I don't remember for sure. Maybe someone else can answer that.
For their relative cost, however, I would just replace them if it were me since the labor is covered by the coils.
^This^ Today's plugs are good for at least 60k mi. unless there's another issue (fouled/burnt). I wouldn't replace them unless it's obvious they need to be replaced - 12k they should be like new. The coils may be ok as well - could have gotten water in a connector as well. You really need to check everything out before you start buying/throwing parts at it... Good luck
Thank you for the info guys, I will change all 6 coils, but will wait till next check engine comes on.
Btw the mounts were oem, rein. They car feels great.
