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420SL erratic start, stall.

wuzz

New Member
Joined
Jul 28, 2006
Messages
1
Location
South Buckinghamshire
Car
420SL
My 420SL was running OK then failed to start. Narrowed it down to fuel pumps or relay. Turned out to be fuel pumps. Car went into garage to be serviced, MOT'd and fuel pumps replaced. Car ran OK home. At next start it ran erratically but picked up. Next start, engine started but petered out. At next attempt after it started I depressed the throttle and it picked up but ran erratically and then blue smoke (a lot of it) came out of the exhaust, however, it eventually picked up and ran OK. At next attempt, after it started, I depressed the throttle and then again lots of blue smoke came out of the exhaust, but engine did not pick up, but just stalled. Does this sound terminal?
Any suggestions welcome.
 

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