C63 AMG (W204) 2008 - 2015

Bad gas from Speedway causes misfiring

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Old 06-24-2016, 03:57 PM
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Bad gas from Speedway causes misfiring

Filled up with speedway last night. This morning car started to idle rough, cell light flashing then stayed solid, and car started to sputter and lost of power. Drove the day down to half a tank and filled up with new gas from another station. Car is still running rough and cel light staying on. It appears to be bad gas from Speedway as car ran perfect prior to fill up. Has anyone experienced similar symptoms from Speedway or bad gas?
Old 06-26-2016, 11:37 PM
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I had an issue with a fuel rail that created the same symptoms..
Old 06-28-2016, 03:38 PM
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Looks like bad gas. Never go to Speedway (previously as Hess).
Old 06-30-2016, 02:02 AM
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Originally Posted by ecohen2
I had an issue with a fuel rail that created the same symptoms..
Symptoms include a ticking sound under acceleration but not at idle?

What was the fix?
Old 06-30-2016, 09:50 AM
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Call me ****(or a brand *****), but I only pump at Exxon or Shell. I make sure I plan my route or have enough to get to an Exxon or Shell on drives.

I've had bad gas issues on previous cars with BP, Sunoco, and Citgo.

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