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kswick313
User
May 28, 2010, 7:22 AM
Post #1 of 2
(1744 views)
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1999 Pontiac Grand Am
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The car's service vehicle soon light came on and has stayed on and now the service engine soon light just came on. Any suggestions on what this may be??? The service vehicle light has come on in the past and usually will go away or we put fuel injector cleaner in and it goes away but they both have never been on until now.
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Hammer Time
Ultimate Carjunky
/ Moderator
May 28, 2010, 7:35 AM
Post #2 of 2
(1740 views)
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Re: 1999 Pontiac Grand Am
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The "check engine" light is an indicator for a system that monitors many electronic functions in the system, also called the "malfunction indicator lamp" (MIL). It can come on for any of hundreds of different causes from any of the systems that the computer monitors. Some are very important and can lead to further component or engine damage and some are emissions related not as serious but still a problem and need to be repaired.
Your first step is to have the computer scanned to retrieve the trouble codes that were set when the check engine light came on. Those codes will give you specific information about what the computer saw and will get you pointed in the right direction to find your problem. With a 1996 or newer and some 95 cars and you have an AutoZone or Advanced auto parts in your area, they will read them for free. Once you have these code numbers, we can be a lot more specific about what your problem may be.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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