Question about 2004 Dodge Caravan
U need to have codes read w/ scanner tool. Most parts stores will do this free, and give u some advice as to why the engine light came on. The van may run fine, but u could be causing damage to a component or system. An example would be code for 'engine misfire', car runs fine, same gas mileage, no trouble starting, etc, but it was a problem w/ fuel injectors, by ignoring the light, catalytic converter was damaged, so have it checked out before it develops into a bigger problem. Good Luck
Posted on Oct 21, 2008
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Posted on Jan 02, 2017
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When the service engine soon light (Also called the check engine light) is turned on this is to alert you to the fact that Powertrain Control Module (computer) has detected a failure somewhere in the systems it controls you may not feel any difference in the way the engine runs, this can be the transmission or the engine or emission system, there are fault codes set in the modules memory for these faults. What needs to happen now is to have the powertrain control module scanned with a special tool called an OBD2 electronic engine control scanner or a OBD2 code reader. Once the code(s) are read then you must perform the diagnostics for each code and make the appropriate repairs based on the findings of the diagnosis that was performed, this is called doing "Pinpoint" testing.
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