Rick's Free Auto Repair Advice

Posts Tagged: check engine

Fix Check Engine Light On

Why is my check engine light on I volunteer in many different automotive forums and I constantly see people say they have a check engine light on. They want to know why it’s on. But when a you have a check engine light on, there’s no way to guess. Because the system is capable of setting up to 1,800 different trouble codes. That doesn’t even include manufacturer-specific codes that can be used to tell if there’s a problem with a body control computer or chassis system. With 1,800 possibilities, there’s … Read More

Fix code P0430

Code P0430 Catalyst System Efficiency Below Threshold (Bank 2) NOTE: Codes P0420 and code P0430 are similar. I wrote a much more detailed explanation of how an emission system works and what causes these codes. Read this post and then refer to this more detailed post. Code P0430 means the catalytic converter that treats the exhaust for Bank 1 has failed it’s testing. The oxygen sensor in front of the catalytic converter switches back and forth between rich and lean as the computer constantly changes air fuel mixture. But after … Read More

ABS light on and no start

My ABS light is on and it won’t start GM has issued a TSB #00-06-04-049B to address a problem where the vehicle has ABS light on and no start, the check engine light is on or lights intermittently, ABS light is on, and the engine will not start. The TSB applies to 1997-03 Buick Century, Regal Built Prior to 2/03, 2000-03 Chevrolet Impala, Monte Carlo Built Prior to 2/03, 1999-01 Pontiac Grand Prix Built Prior to 10/1/00-VIN Breakpoint 1F136536 The full list of symptoms include: ABS light on Service Engine … Read More


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