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Car Forum / Honda Cars / February 2007trouble shifting gears
I have a 98 Accord Ex with an automatic transmission. It has about 115K miles on it. I have never had any problems with it but last week, without warning, my car seemed to have difficulty changing gears. When I accelerate it sounds like it is trying to change gears but is stuck and then will suddenly switch. It causes the car to jerk forward a little bit. When I come to a stop it jerks forward a little bit then too. Kind of feels like somone lightly rear-ended me. The next few days were without symptom. Then yesterday the problems started up again. Today they were worse. The "check engine" light came on today. Any ideas? shraddha.srivastav@gmail.com wrote in news:1171498972.074793.81800 @h3g2000cwc.googlegroups.com: > I have a 98 Accord Ex with an automatic transmission. It has about > 115K miles on it. I have never had any problems with it but last [quoted text clipped - 6 lines] > started up again. Today they were worse. The "check engine" light > came on today. Any ideas? Is this a four-cylinder or a V6? When was the last time the fluid was changed? What fluid was used? Take it to AutoZone to have the Check Engine light code read. Report that here.  SignatureTegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ 4-cylinder oil changed 1 month ago (Jan 12). Oil used was 10W30GTX going to auto zone now. > > When was the last time the fluid was changed? What fluid was used? > > 4-cylinder > > oil changed 1 month ago (Jan 12). Oil used was 10W30GTX I believe that Tegger was asking about the transmission fluid and not the engine oil. Many folks have reported problems using non-Honda ATF and find that their problems go away once they put Honda's ATF into the transmission. Eric > shraddha.srivas...@gmail.com wrote: > > > When was the last time the fluid was changed? What fluid was used? [quoted text clipped - 8 lines] > > Eric transmission fluid would make much more sense. it hasn't been changed in some time. i noticed when i went to auto zone that the RMP gauge doesn't fall back to zero when i am at a complete stop. it instead goes to 750. when i am accelerating/driving between 20-30mph it spikes to 3000+. it hasn't gone past 4000rpm. when the gears finally shift it falls back to between 1000-2000rmp. it drives better at around 40mph or higher. On Wed, 14 Feb 2007 22:28:32 -0800, shraddha.srivastav wrote: >> shraddha.srivas...@gmail.com wrote: >> > > When was the last time the fluid was changed? What fluid was used? [quoted text clipped - 18 lines] > back to between 1000-2000rmp. it drives better at around 40mph or > higher. The only time your tachometer will read 0 RPM is when the engine is not running. It idles at about 700-800 RPM (when all is good). You may very well just need your tranny fluid changed. Drain and fill it 3 times (drive for a week or so in between) with Honda ATF fluid (DO NOT use anything other than Honda). > On Wed, 14 Feb 2007 22:28:32 -0800, shraddha.srivastav wrote: > >> shraddha.srivas...@gmail.com wrote: [quoted text clipped - 26 lines] > 3 times (drive for a week or so in between) with Honda ATF fluid (DO NOT > use anything other than Honda). thanks! i never really paid attention to the tachometer before.. auto zone closed for tonight. will go in the morning. foudn one open late. reading was "The PCM has detected an incorrect gear ratio condition." Didn't help much. Already knew that. shraddha.srivastav@gmail.com wrote in news:1171506947.586434.204960 @a34g2000cwb.googlegroups.com: > foudn one open late. reading was "The PCM has detected an incorrect > gear ratio condition." Didn't help much. Already knew that. WHAT WAS THE NUMERIC CODE? That's what I need! AZ's descriptions are often vague and incorrect. The code will be something like "P1709", or "P1884". Sounds like your transmission is slipping. Could be fatal, or could just be low/old/incorrect fluid. Check the fluid level, then get it changed (NOT "flushed") with genuine Honda ATF-Z1. It needs to be changed in three stages to get all of the old stuff out. SignatureTegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ > shraddha.srivas...@gmail.com wrote in news:1171506947.586434.204960 > @a34g2000cwb.googlegroups.com: [quoted text clipped - 16 lines] > > The Unofficial Honda/Acura FAQwww.tegger.com/hondafaq/ P0730 was the numeric code. >> shraddha.srivas...@gmail.com wrote in news:1171506947.586434.204960 >> @a34g2000cwb.googlegroups.com: [quoted text clipped - 15 lines] > > P0730 was the numeric code. AZ's description is incorrect, as usual. According to Honda, P0730 is: "Problem in Shift Control System". This means the Shift Control Solenoids or the Shift Valves are not being actuated correctly. This is most likely an electrical problem rather than old/incorrect fluid, which would also account for the suddenness of the onset of the problem. There are a number of electronic sensors used by the transmission's control unit (PCM). They can fail, as can the PCM itself. And the PCM has been known to fail on these, as have the Shift Control Solenoids themselves. You need to have a Honda dealer diagnose this situation for you. Do NOT go to an independent transmission shop unless they specialize in Hondas. You can also have the dealer check for Technical Service Bulletins (TSBs) regarding your symptoms. Sometimes there are known issues for which there is a prescribed fix. I've been unable to find any relevant TSBs, but then I don't have access to them all. And while you're at it, you might as well get the dealer to change the fluid. You're due for it anyway. SignatureTegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
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