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engine performance

Oil Pan Screen Stopped-up with Debris

November 28, 2018

Auto Repair, engine performance, Forest VA, Lynchburg VA

This Ford F150 had a low oil pressure light coming on, only at low idle in gear. Removing the oil pressure sensor and performing a manual oil pressure check (with an external gauge) showed that the pressure was indeed low and out of specs. This…

Pinched Vacuum Line Under a Manifold Bolt

October 29, 2018

Auto Repair, engine performance, Lynchburg VA

While doing some air conditioning work on this Ford F150, the tech noticed a pinched vacuum line, caught underneath an intake manifold bolt. Although the customer had no complaints other than his air conditioning problem, this condition may cause an issue with another system such…

Failed Air Filter Causes Mass Airflow Problems

May 10, 2018

Auto Repair, Engine Diagnostics, engine performance, Forest VA, Lynchburg VA

This video of a Chevy Silverado shows the inside of the air filter box clogged with debris from a failed aftermarket, high-performance, reusable air filter. This dirty air filter began disintegrating inside the air filter box and caused problems with the mass airflow sensor, causing…