Thread: w201 wont start after sitting for year and half
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Old 04-28-2017, 07:46 AM
Mike Murrell's Avatar
Mike Murrell Mike Murrell is offline
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What happens when you do not bypass fuel relay?

Did you replace fuel filter?

Vacuum leaks and lean fuel condition can also cause backfire.
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Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
"Fräulein"
Last edited by Mike Murrell; 04-28-2017 at 11:50 AM.
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