New answers tagged obd-ii
The OBD-II protocol is standard across all engine types post-1999( or thereabout). That means Torque will allow you to read all the standard outputs, even if your car doesn't happen to have that particular device. You'll just get a gauge that doesn't actually do anything. By the way, I've had Torque for just over a year and it's fantastic.
Diesel engines typically have a vacuum pump to supply power to the brake boosters. If your 2008 Tundra doesn't have a diesel engine, then that gauge is likely referring to the vacuum pressure being measured in your intake manifold.
I'd try squirting some WD40 into the throttle body assembly first, before considering replacing it. As Paulster2 said, sometimes the body gets gummed up or, in your case, stuck from cold - WD40 will help lubricate the body and save you some money. I've used this trick a fair bit, and usually do it once during my own mini service of oil and filter change - ...
P1638's code is: Throttle Valve Position Control; Throttle Stuck Temporarily ... since I don't know a lot about the Mini Cooper, generally I'd say the motor for your throttle position control is sticking due to freezing or age (gummed up). This should be a user replaceable item (mechanic not needed unless you are a complete mechanical nightmare), just ...
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