Thread: Help: occasional rough idle + low oil pressure at idle
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Old 07-22-2001, 11:47 PM
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Mike Murrell Mike Murrell is offline
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1 bar oil pressure at idle is good. You should hit 3 bar once the rpms get around 1,500. Sounds to me like your oil pressure is fine.

Rough idle. My experience points to spark plugs and their gap. A gap of .040 idles smoother than .032 in my case. Ensure that spark plugs wires are secured. You may need to take a look at the condition of the rotor and distributor cap.

Then of course there's the FUEL side of the equation and the possibilities there are endless.
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Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
"Fräulein"
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