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Car Forum / Dodge / Dodge Trucks / March 2005Check engine light
My vehicle is a 97 Dodge Ram 1500, 115,000 miles..Recently had a complete tune up including transmission fluid/filter change. The check engine light comes on for about 1 day and a half and then all of a sudden on a random engine start it goes out. It's been doing this for about 2 months, where the light will come on unexpectedly while dring then stay on thorugh 3-4 engine starts then all of a sudden on the next engine start not come on. I thought the check engine light is suppose to stay on until the problem is fixed or the batter is disconnected. Art, OBD 11 will only leave the MIL illuminated for emmision related malfunctions. The light will also indicate other driveline problems (trans codes) as well as BCM related problems. A code will be stored. Get a scanner on it and it will reveal whats putting the lamp on. > My vehicle is a 97 Dodge Ram 1500, 115,000 miles..Recently had a complete > tune up including transmission fluid/filter change. The check engine light [quoted text clipped - 4 lines] > the check engine light is suppose to stay on until the problem is fixed or > the batter is disconnected. BTW, disconnecting the battery will not clear a code in OBD 11. > My vehicle is a 97 Dodge Ram 1500, 115,000 miles..Recently had a complete > tune up including transmission fluid/filter change. The check engine light [quoted text clipped - 4 lines] > the check engine light is suppose to stay on until the problem is fixed or > the batter is disconnected. > BTW, disconnecting the battery will not clear a code in OBD 11. Maybe not in version eleven, but on my '95 with OBD-I, and my '99 with OBD-II (that's Roman numeral two), disconnecting the battery for a bit would most certainly clear any stored codes. On my '03, the codes are stored in some kind of non-volatile memory, and do not clear with the batteries disconnected. His '97 will forget all codes without power. As for the CE light remaining lit, it depends on the particular problem detected. Some problems will set the CEL and leave it on until manually cleared... other events only illuminate the CEL when the problem is actually existing. > My vehicle is a 97 Dodge Ram 1500, 115,000 miles..Recently had a complete > tune up including transmission fluid/filter change. The check engine light [quoted text clipped - 4 lines] > the check engine light is suppose to stay on until the problem is fixed or > the batter is disconnected. Art is sounds as if you have a fault being set by the EGR Valve or an 02 Sensor, find out what code is in the memory. Glenn Beasley Chrysler Tech |
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