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92 Sentra idle

My 92 sentra resently developed an idle problem. When starting cold it runs fine for about 20 seconds and then the idle dorps off and it usually stalls. When warm, it will idle very low but will often die if not helped along. If I have to stop quickly, it usually dies. I had a fuel injector go bad last year and I thought that I may have had another bad one but, last year I could tell the injector was bad by looking at the plugs (among other things). This time all the plugs look the same. I've checked vacuum, egr, wires, etc.. Any suggestions?

Reply to
watsonaj
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check the power going to the injector-coz resistance effects other injector/leaking

"watsonaj" wrote: > My 92 sentra resently developed an idle problem. When starting > cold it > runs fine for about 20 seconds and then the idle dorps off and > it > usually stalls. When warm, it will idle very low but will > often die if > not helped along. If I have to stop quickly, it usually dies. > I had a > fuel injector go bad last year and I thought that I may have > had > another bad one but, last year I could tell the injector was > bad by > looking at the plugs (among other things). This time all the > plugs look > the same. I've checked vacuum, egr, wires, etc.. Any > suggestions?

Reply to
vin

Clean your throttle body and idle air control valve.

CD

Reply to
codifus

Reply to
X Zone

Have you checked the engine codes?

Reply to
Steve Parker

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