July 2014 Archives - UnderhoodService
Most Common Causes of Misfire Codes

A flashing check engine light and a P0301 to P0312 diagnostic trouble code (DTC) is a surefire indication that one or more cylinders are misfiring. Occasional misfires may pass unnoticed, but a steady misfire is hard to miss. The engine usually feels rough, lacks power and uses more gas than usual. Sometimes a misfire may

Spark Plug Worn Rings
Pattern Failures of MAF and MAP Sensors

Pattern failures are those failures that happen over and over again — and the same applies to how customers describe these failures. Customers might unknowingly give you the answer to their problem without needing to open the hood. In this article, we will look both at the failures of these sensors and the actual customer

MAP Sensor
Toyota Hybrid Oil Change

Does the thought of changing the oil on a Toyota Prius scare you? Are you afraid you could be shocked with more than 200 volts? Don’t be afraid, changing the oil is not radically different than any other Toyota. Changing the engine oil on just about every hybrid doesn’t require disconnecting the hybrid drive system,

Toyota Prius Oil Change