2021 Editions Archives - Page 2 of 8 - UnderhoodService
Misfire Codes P0300, P0301-P0312 and P0313+P0314

The only way to clear the code is to use a crankshaft position relearn with a scan tool.

Belt-In-Oil Timing Systems

Oil contamination of the belt drive has been a death sentence, due to the rubber and fiber construction of the belt.

Five Spark Plug Service And Replacement Tips

Most articles will tell you to use a torque wrench, but they never explain why.

Air Conditioning Components

When a compressor fails the question for most technicians is whether to flush the condenser or replace it.

Fuel Tank Contamination

A number of things can cause a fuel filter to plug up.

Improving Turbocharger Longevity

It is estimated that by 2022, 50% or more of vehicles sold in the U.S. will have one or more turbochargers under the hood.

Oxygen Sensors And Catalyst Efficiency

Newer air/fuel ratio or wide-band sensors can detect a wide range of fuel conditions.

Cavitation: Killer Of Water Pumps

The condition of the coolant has a direct relationship to cavitation in pumps.

Ford Power Steering Inoperative After Collision Damage Repair

Here are the case details behind a message center displaying a “STEERING LOSS STOP SAFELY” warning message.

Lessons Learned by Being Back – The Last Word

After two years, our industry finally had its homecoming.

Tool Up For Belts

Here are six tools to make your next belt replacement more productive.

FORD Explorer High-Speed Cooling Fan Motor RELAY Overheating

A damaged non-functional relay, causing the fan to never turn on may lead to engine overheating at idle.