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volvo 740 idle 700 1986

posted by  kyle123 on  Mon Sep 22 13:45 CST 2003
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Hello, I have a 740 GLE with a 2.3 litre B230K 8 valve engine and when I have started it from cold in the morning it idles at 1500rpm, then after 20 minutes it idles at 1000rpm when getting warmer. Sometimes when you pull away from cold for the first time it seems to hesitate on power and the idle drops but never stalls. I have had all service items done like HT leads, distributor cap and rotor arm, spark plugs and also fuel mixture/air adjusted plus new inlet manifold gasket. All items are 3 Months old. All hoses seem fine. Please could you help, and pictures would be a good help in identifying parts.

Also the engine occasionaly roars on acceleration and seems to be coming from the passenger side under the bonnet. Its not exactly loud but I like my volvo perfect.

What would make the speaker buzz on the passenger front door. I tried a secondhand speaker but it still did it. This is with the original radio/tape with the stereo turned off.

Many many thanks James.






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