The manifold absolute pressure sensor reads the amount of pressure or vacuum (also called “engine load”) in the intake manifold, where outside air is divvied up in proper amounts and distributed to ...
A service update has been issued for certain 2021 model-year GM trucks and SUVs over an issue related to the vehicles’ engine manifold pressure sensor. The problem: affected GM trucks and SUVs may ...
Piezoresistive (diaphragm-based) differential pressure sensors based on silicon comprise a thin silicon diaphragm in which resistors (connected together in a Wheatstone bridge) are lodged. If there is ...
Hot Rod: MAPtest: When Boost Pressure and Brainpower Don’t See Eye to Eye. Why Your Supercharged Street Car Needs the Right MAP Sensor
MAPtest: When Boost Pressure and Brainpower Don’t See Eye to Eye. Why Your Supercharged Street Car Needs the Right MAP Sensor
GM Authority: Fix Released For 2021 GM Trucks And SUVs Over Engine Manifold Sensor Issue
Fix Released For 2021 GM Trucks And SUVs Over Engine Manifold Sensor Issue
CEL was on then went off after a few days. I scannned the code and got this: P0661....Intake Manifold Tuning Valve Control Circuit Low (Bank 1) however the CEL was off. I cant find reference to this specific code. Ideas of where to look ?
The exhaust manifold get too hot for it to really rust away - plus its thick compared to exhasut pipes. The thin coating ot current curs protects it pretty much from further rusting. The "Extend" type treaters probably would not hurt it but at 200k how much longer you looking to extend its life? I'd let it sit overnight - and it may smell when you get it hot the first time. "geronimo" <Jamesw ...