Dies at idle
I have a 1999 STS that will die at idle after it warms up, but not consistently. It restarts immediately. It will not die as long as you keep a little pressure on the throttle. I have replaced the fuel pressure regulator. Thank you in advance for any help.
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RE: Dies at idle
I might suggest to check the Fuel Pressure at the rail. There's a bike valve looking valve that can hook to a pressure gage. Can you check to see if any codes where triggered?
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RE: Dies at idle
The fuel pressure was fine, 45#. I took off the coil packs and tested the resistence, all within the norm. I also had an old code #1377 which referred to the camshaft pulses. After taking off the camshaft sensor and taking it to the auto parts store, I had to order a replacement so I put the old one back in. Since then it has not died!. Will replace the camshaft sensor when it comes in. Thanks.
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