I’ve been having a problem starting my ’94 C280. Here’s what’s happening: When the car sits overnight it will start on the 1st try without any problems. After sitting for a while the next restart results in the engine starting briefly, then dying. The only way I can get the engine to continue running is by flooring the gas pedal. When I do this I can hear the Rpm’s rise and the engine will continue to run. I’ve checked the over voltage relay and I’ve got the updated one. Any ideas on what to replace / check next? I checked the archives and although the OVR is mentioned there is not too much on this type of warm start problem.

Thanks

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1997 C36 Designo Red
1999 SLK230 Sport
1999 Honda CRV 5-spd

1990 Acura Integra (given away!)
1995 Mazda Miata Merlot SE (sold)
2003 Honda Element EX 4WD (sold)
1994 C280 - (sold)
1985 190e 2.3 5spd (sold)
1991 Yamaha FZR1000 (sold)
1994 MB S420 (sold)
1994 BMW 318ica (sold)
1991 Mazda Miata BRG SE (sold)
1989 Fiat Spyder (Died!)