My car jolts in overdrive. Could that be a. Transmission model or a control model. Or a ground wire?
Saturday, July 24th, 2010 AT 12:06 AM
9 Replies
JACOBANDNICKOLAS
MECHANIC
109,755 POSTS
Any of the above. Has the check engine light come on? Does it feel like it could be an engine miss under a load?
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Saturday, July 24th, 2010 AT 12:16 AM
DOMINICK32310
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The check engine light is on
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Saturday, July 24th, 2010 AT 11:14 AM
JACOBANDNICKOLAS
MECHANIC
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If the check engine light is on, you need to have the computer scanned to identify where the problem is coming from. What I recommend is this. Take it to a nationally recognized parts store and have them scan it. Most will do it for free. Once you do that, let me know what you find.
Joe
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Saturday, July 24th, 2010 AT 11:30 PM
DOMINICK32310
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Ok ill do that sunday well today and let u know what codes come up
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Sunday, July 25th, 2010 AT 12:09 AM
JACOBANDNICKOLAS
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Honestly, like you I can't believe the time either. Let me know how things work out for you.
Joe
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Sunday, July 25th, 2010 AT 12:27 AM
DOMINICK32310
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I went got it looked at. It came up. Number 1 cylinder head misfier and a p701/7 code saying engine lean I ( bank). What can I do to fix that problem and what does it mean?
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Sunday, July 25th, 2010 AT 6:33 PM
JACOBANDNICKOLAS
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Basically, it is telling you that the #1 cylender has a mis. It could be caused if a tune up hasn't been done for a long time, an ignition wire that is arcing. My concern is the lean mixture. Have you checked for vacuum leaks to the engine? If too much air is getting into the engine, then a lean mixture will occurr. Also, let me know when the last tune up was done.
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Monday, July 26th, 2010 AT 1:24 AM
DOMINICK32310
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I just did a tune up today, oil change oil filter, spark plungs and wires air filter I replaces 3 vaccum hoses that were bad. I got it scan agin it took the misfire problem away. But the engine lean is still there? Could it be an oxygen sensor?
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Monday, July 26th, 2010 AT 8:04 PM
JACOBANDNICKOLAS
MECHANIC
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It could be an O2 sensor, temp sensor, or a vacuum leak that was missed. I will add that a bad O2 sensor usually shows up on the scan.