tighten fuel cap light stays on

Asked by Jan 27, 2012 at 02:09 PM about the 2006 Chevrolet TrailBlazer LT

Question type: Maintenance & Repair

fuel cap light and check engine light are on, even after replacing cap

1 Answer

75

http://www.smogtips.com/check-engine-light-turn-on-off.cfm. best bet is to take it to a mechanice so he can use a device called a battery tender. This is plugged into the cigar lighter socket before you disconnect the power and ground cables to not only hold the radio station presets, clock settings but also keep the on-board memory alive for the power-train control module (PCM).

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