Rick's Free Auto Repair Advice

Posts Tagged: Reduced engine power

Check engine light and reduced engine power

Diagnose and fix check engine light and reduced engine power GM has issued a service bulletin #08-06-04-041B to address a check engine light and reduce engine power message. You’ll also find the following trouble codes stored in your PCM P1125, P2101, P2120, P2125 OR P2138 as well and hesitation on acceleration. The bulletin affects the vehicles listed below Vehicles affected by service bulletin #08-06-04-041B 2007-2009 Buick Allure (Canada Only), 2007-2009 Buick LaCrosse 2007-2008 Pontiac Grand Prix All vehicles with the 3.8L Engine (VIN 2 — RPO L26) Cause of Check … Read More

Reduced engine power Cadillac

Why is my reduced engine power warning on Cadillac This post is for reduced engine power on a 2003 Cadillac Escalade, but it can apply to any vehicle with an electronic throttle body. These drive-by-wire systems have multiple safety features built in. If any of the multiple sensors gives an incorrect reading the system automatically defaults to a reduced engine power state as a safety measure. As always, start by checking the trouble codes. Here’s an example of the codes you might see: P2135 TP sensor signals 1 & 2 … Read More

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