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Old 12-02-2013, 09:58 PM
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Join Date: Jul 2013
Posts: 28
Got it running! sort of...need a little assistance

Hey guys. So, I inherited an 85 280SE. It had been sitting for around a year when it was given to me. I ended up dumping the fuel, replacing the fuel pump, verifing the fuel pump relay, rebuilt the fuel distributer (P.I.T.A.). Earlier today, I was able to adjust the air fuel ratio screw, let it run for 5-10 minutes and slowly adjusted the ratio until the R.P.M.'s were at around 900. I jumped in once it was warmish and drove it. It wanted to stall and was falling over it self with no power at all. I was wondering what may be happenning. Figured the almighty gurus may shed some light on what may be happenning. I was figuring the ratio/idle was off needing more fine tuning.

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Old 12-03-2013, 10:22 AM
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Join Date: Jan 2003
Location: Matthews, NC
Posts: 1,356
Have you checked the control pressure? The WUR (Warm Up Regulator) could be bad or not getting power. Also there is a filter in the input (line from the center of the fuel dist) that could be plugged.


84 500 SEL (307,xxx miles)
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