Misfiring and overheating

[alrock]

Respectfully disagree that a compression test would be done first, when it's reasonable to suspect a bad plug or coil, and either of those tests takes less than 10 minutes to complete. I don't like to jump to the conclusion of the worst case scenario when just as often, or more often, members here have seen simper fixes take care of P030x codes before head replacements.

Had he gone much further before trying a compression test, I would agree, but it sounds like he didn't go too far. The thermostat was a reasonable troubleshooting step as well.

 

[poweraidon]

Respectfully disagree that a compression test would be done first, when it's reasonable to suspect a bad plug or coil, and either of those tests takes less than 10 minutes to complete. I don't like to jump to the conclusion of the worst case scenario when just as often, or more often, members here have seen simper fixes take care of P030x codes before head replacements.

Had he gone much further before trying a compression test, I would agree, but it sounds like he didn't go too far. The thermostat was a reasonable troubleshooting step as well.

He's great probably the best and most trust worthy mechanic I've ever had.


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[Cyouincourt007]

Dang power, sorry to hear this, hope it turns out fine!
building on what Alrock said....I once had a code and when I googled it(before I knew about this great site) I got freaked out about blown head etc etc and turns out my battery terminal was coming out of battery (dang dealer sold it to me like that). Swapped in a new battery and that was that. I gather your situation ain't the same but hoping it turns out just as good or better after alls said and done.