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-   -   1992 500sl Not running (http://www.peachparts.com/shopforum/showthread.php?t=407312)

rsj6667 08-09-2020 08:21 AM

1992 500sl Not running
 
I have a 1992 500sl that won't start. It will turn over but nothing more then that. This has been an ongoing thing. It started with intermittent running problems. It would start run perfect and then not restart when hot. I did take it to the dealer once and they did the usual distributor plug tune up thing. Cam position sensor replaced as well as OVP sensor.(suggestions from others). Fuel system appears to be working properly. Any suggestions would be greatly appreciated. I have had car since it had 31000 miles on it.. currently only at 71000.

porkface 08-09-2020 09:15 AM

gimme a parts shotgun and 3-5k and i can fix it. or, you can check for whether it has fuel, spark, compression, etc. then maybe we can help. the light here sucks, we can't see under your hood. there is no silver bullet for every no start, especially on a mercedes.

rsj6667 08-09-2020 10:36 AM

Start
 
Of course.. it did start today ran briefly for a while then died again

porkface 08-09-2020 10:37 AM

ok, what quit? need to look at spark and fuel and try again. something's giving up.

Usaguy 08-09-2020 04:39 PM

1. Disconnect the MAS relay (fuel pump relay)

2. Spray some starting fluid into the intake

you will get either one of 2 results:

1. If it starts then it's a fuel problem

2. If it doesn't start then it's a ignition problem

rsj6667 08-09-2020 06:11 PM

Thanks
 
On to the next step...lol


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