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Sedans Nissan Maxima Nissan Maxima Maintenance and Repair
4048 messages, Last post on Nov 23, 2009 at 4:23 PM
You are in the Nissan Maxima Forum. Your Hosts are pat & karens
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Replying to: grady3 (Jun 13, 2006 3:29 pm) |
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| For some reason, the AC in my 97 maxima does not blow cold air unless the car is moving at any speed greater than 35 mph. The fans are both running fine, the coolent level is good and the a/c refridgerant is fully charged. Any thoughts on why the car has to be moving to get cool air out of the a/c? | |
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Last week my 99 Maxima with 110,000 miles had all spark plugs and the #3 and #6 ignition coils replaced. It drove 95% better then within 2 days it was back to its old poor intermittant acceleration and knocking in idle mode. Yesterday, the SES light came on. I suppose the remaining 4 coils will need replaced? Hope to have a family member do this as my garage charged me $155 for one coil, excluding labor. Dropped almost $500 including scanner test + labor.  My other thought is maybe an O2 sensor is dying. Suppose Pep Boys or Auto Zone could figure that out for a few bucks? Does anyone know the location placement of #3 and #6 coils? Thanks. I guess too changing the transmission fluid and fuel filter may help.
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Replying to: lauris (Sep 13, 2008 6:43 pm)
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Replying to: obyone (Sep 13, 2008 7:50 pm) My husband hooked up the computer and found a code indicating the knock sensor. Would make sense why it's hesitating upon acceleration. Can a DYIer replace the IAC, TPS and PCV? Would either of these require a lift? |
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Replying to: lauris (Sep 14, 2008 7:25 am)
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Replying to: lauris (Sep 14, 2008 7:25 am) BTW, have you seen the 2009 Maxima since it's your 10th anniversary? 
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Replying to: Mr_Shiftright (Sep 14, 2008 7:55 am) I suppose that even the computer a garage uses is not 100% accurate? It's more based on speculation? Which may be why my garage last week diagnosed two bad ignition coils, replaced them, but there are still problems.
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Replying to: obyone (Sep 14, 2008 8:15 am) Thanks for the photo! Are you trying to entice me?! LOL Sure it screams on the highway! |
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Replying to: lauris (Sep 14, 2008 8:32 am) By that I mean a methodical "test this for X. If not X, then go to THAT. Test THAT for Y, if not Y, then go THERE" Etc. Etc. If a shop is guessing with your checkbook and just throwing parts at the car, by all means try another. There is no reason why a top-flight mechanic has to guess if it's your knock sensor or not. He can test it, especially if he has the manuals or if he subscribes to sites like ALLDATA, etc. The computer puts you on the right track to be sure but a machine is only as good as the person operating it. |
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