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> You are the MASTER. The cable was frayed and stuck at the throttle
> body.
Not much of a shock here.
> I disconnected the air mass sensor and the car would now idle
> at cold start up. It did not idle well but I did not have to keep my
> foot on the gas. The connectors look clean. I am semi comnvinced that
> the AMM is the culprit. I will do electrical test this afternoon
> after work.
I would defineatly reserve your diagnosis on the AMM for after the electrical tests. Although your car may need it, that test may be inconclusive. If performance and idle to not change at all when you unplug the AMM it means that the car was already in limp home mode and the AMM is bad (at least that is how I remeber it). Don't you have OBDC on your car? If so, look in the 700/900 faqs on how to pull the codes. You might find something there.
> The new question is do I go to Volvo for the $300 AMM or
> do I buy the $150 aftermarket model. Any suggestions? Also kickdown
> cable is $73. I am going to salvage yards to recycle on of these.
People have had mixed opinions on the aftermarket AMM's. The concensus is to buy from a reputable dealer (RPR, IPD, etc.) because they sell warrantied goods. Always replace the airbox thermostat at the same time or most waranties will be voided.
Onkel Udo
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