Question about 1989 Buick Regal
I went to the shop and they told me 2 things popped up on diagnostics:
p1650 qdm 2 failer
p0122 tps sensor
what are these problems? and how much to fix?
TPS is Throttle Positoin Sensor which is located on top of motor where throttle cable attaches. The sensor is there.
QDM is quad driver which a part of the Electronic Control Module (ECM) The ecm itself may need to be replaced.
Posted on Mar 31, 2009
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Posted on Jan 02, 2017
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Oct 14, 2015 | Cars & Trucks
MIL (SERVICE ENGINE SOON) telltale circuit
Upshift lamp circuit
Cooling fan relay circuit
A/C relay circuit
Fault detected for 5 seconds for DTC P1651. Fault detected for 20 seconds for DTC P1650.
Important: The QDM circuit is continuously checked when the engine is running.
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