Jarring on acceleration - Chevy Trax Forum
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post #1 of 5 Old 04-09-2017, 01:01 PM Thread Starter
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Jarring on acceleration

So me and the wife are coming home from town this morning and went to pass a car going up a hill, after we get past them the check engine light flashes then goes away. Then we notice if you try to accelerate then it starts jarring and doesn't really wanna go. I have disconnected the battery and letting it sit as a desperate attempt to reset everything and hope for the best. What could it be? Please help!
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post #2 of 5 Old 04-09-2017, 02:33 PM
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Is there a code showing on the instrument panel? In the lower right corner it should display "Code" and a number. If not you need to have it checked with a scan tool.
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post #3 of 5 Old 04-10-2017, 10:43 AM
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If you have a problem with the way the engine or transmission works, you should not try to erase the code, you do need a scanner to get the numeric code.
That code tells the dealer where to start looking more times than one it will pin point the problem.

Most auto part stores will scan the car for you free of charge, while you can't really do anything with the code, at least you know in what system the problem is located.
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post #4 of 5 Old 04-10-2017, 03:38 PM
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I definitely wouldn't have erased the code without checking it out first. Even if it was just a hiccup, it's good to keep track of these things. Anyhow, now that you cleared it, how is it running?
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post #5 of 5 Old 04-11-2017, 10:25 AM
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You can't really erase the codes completely, with an ordinary hand held reader, they are stored in the computer, after they are read the first time they have an H prefix, telling the service reader they are old codes.

I do believe if you use a GM Tech II reader, with capability of erasing old codes, then they can be eliminated from the computer after the repair.
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