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Mazda CX-9 throttle problems in mountains

11 messages,  Last post on Jun 10, 2009 at 11:40 AM

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What is this discussion about? Mazda CX-9, Car Safety, SUV

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#3 of 11 Re: CX-9 THROTTLE PROBLEMS IN MOUNTAINS [nxs138] by stevea4 Nov 23, 2007 (7:25 pm)
Replying to: nxs138 (Nov 23, 2007 6:06 pm) Thank nxs 138. We are only talking about climbing from 2,500 feet to 3,500 feet. My 2005 Dodge Caravan (4 cylinder) does it all the time. We are using regular unleaded gas. Not only does it happen with my 2007 CX-9, but they also tested the 2008 model with the same results. I am told the transmission gets too hot, causing in the throtte shutting down and you lose power. The only way it will climb is in low gear in 1 (the lowest gear), which is ridiculus. If you try to climb in ANY other gear, it just shuts down. I will ask about fluids being topped off, but they say everything was done right. Replies to this message: nxs138 (Nov 23, 2007 8:33 pm) kharris (Nov 24, 2007 6:38 am) nxs138 (Nov 24, 2007 2:02 pm)
#4 of 11 Re: CX-9 THROTTLE PROBLEMS IN MOUNTAINS [stevea4] by nxs138 Nov 23, 2007 (8:33 pm)
Replying to: stevea4 (Nov 23, 2007 7:25 pm) Well the only issue I can think of is the type of transmission fluid that might have been used (from another forum that I read, see below). Good luck resolving your issue.   The Aisin/Warner 6-speed transmission uses a different (JWS3309-compatible fluid) compared to "regular" ATX fluid. A single half a cup of the WRONG fluid will completely destroy the transmission by causing the clutch packs to lock up, requiring a complete rebuild/replacement of the transmission to restore functionality.   CX-9's come with a half a quart low for ATF (and engine oil) which gets topped off upon delivery. Replies to this message: kharris (Nov 24, 2007 6:38 am) nxs138 (Nov 24, 2007 2:02 pm)
#5 of 11 Re: CX-9 THROTTLE PROBLEMS IN MOUNTAINS [nxs138] by kharris Nov 24, 2007 (6:38 am)
Replying to: nxs138 (Nov 23, 2007 8:33 pm) nxs138--can you give the source of your information(or a link) about the Aisin transmission fluid? Thanks!   Ken Replies to this message: nxs138 (Nov 24, 2007 2:02 pm)
#6 of 11 Re: CX-9 THROTTLE PROBLEMS IN MOUNTAINS [kharris] by nxs138 Nov 24, 2007 (2:02 pm)
Replying to: kharris (Nov 24, 2007 6:38 am) nxs138--can you give the source of your information(or a link) about the Aisin transmission fluid? Thanks!   Click here for forum discussion -- it's the first reply to the original message.
#7 of 11 Re: CX-9 THROTTLE PROBLEMS IN MOUNTAINS [stevea4] by karthikcx9 Oct 14, 2008 (9:48 am)
Replying to: stevea4 (Nov 23, 2007 3:47 pm) Hi all,   CX9 and CX7vehicle manufactured before MAY 1 2008 have these throttle problem this can be fixed, by the dealer..   i am not able to attach the pdf file...if you guys need please let me know i can email to you....   Goodluck Karthik Replies to this message: nhokt (Oct 14, 2008 5:58 pm) stevea4 (Jun 10, 2009 11:40 am)
#8 of 11 Re: CX-9 THROTTLE PROBLEMS IN MOUNTAINS [karthikcx9] by nhokt Oct 14, 2008 (5:58 pm)
Replying to: karthikcx9 (Oct 14, 2008 9:48 am) Hi Karthik, would appreciate a copy of the throttle problem pdf. tkohn-at-excite.com.   Thanks! Replies to this message: stevea4 (Jun 10, 2009 11:40 am)
#9 of 11 Reduction in power when climbing a steep hill by ceric Oct 14, 2008 (10:22 pm)
Thamks to Karthikcx9. I did a quick type-up. Please forgive the typos.. Your dealer can find the whole bulletin from their computer.   DTC: diagnostic test code ATX: automatic transmission TCM: temperature control module ATF: automatic transmission fluid   ------------------------------------------   REUCTION IN POWER WHEN CLIMBING A STEEP HILL Bulletin No. 05-008/08 Issued: 05/23/2008 Applicable: 2007-2008 CX9 with VINs lower than JM3 TB**** ** 159178 (produced before May 1, 2008)   Description: Some customer may complain that the vehicle power is reduced suddenly when climbing a steep hill. After a couple of minutes of idling, the symptom disappears. No DTC is stored. The TCM limits the torque at lower load than required to protect the ATX causing the reduction in power. As a mass-production change the TCM programming has been modified and DTC P1783 has been established for the torque limitation at high ATF temperature. Customers having this concern should have their vehicle repaired using the following repair procedure. Repair Procedure: ..... Replies to this message: hondakid (Jun 10, 2009 11:00 am)
#10 of 11 Re: Reduction in power when climbing a steep hill [ceric] by hondakid Jun 10, 2009 (11:00 am)
Replying to: ceric (Oct 14, 2008 10:22 pm) Hi Ceric..   Do you have a copy of this TSB?   If so, could you email it to me?   Thanks a million,   R
#11 of 11 Re: CX-9 THROTTLE PROBLEMS IN MOUNTAINS [nhokt] by stevea4 Jun 10, 2009 (11:40 am)
Replying to: nhokt (Oct 14, 2008 5:58 pm) I am glad to hear that they fixed the problem on vehicles ater 5/1/08. They bought my CX-9 back prior to that because it would not negotiate the road I drive to get to my home. Yes it only quits for a few minutes then you can restart it, but in that few minutes in snow or bad weather, it is dangerous.

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