#76
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nice information
How kind you are! This post is very excellent.
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#77
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Quote:
For step 7 - Just release the pedal after it's stops blinking to a steady on, then crank your engine. It should rev up by itself, then go down to a steady low RPM (about 650RPM). This is where you're done and should start smiling. |
#78
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#79
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Aloha Altima PR, Got it to stop blinking to a steady on and cranked the engine, but the idle didn't go down. Idle still pulsating (high 1.5K -2K to normal (650)). Tried it about 5 times, but no results. Anything else you recommend I should try OR just keep trying. |
#80
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I have a 2003 3.5 V6 that had the same dreaded idle issue after replacing the spak plugs and cleaning the Throttle Body.... Just messing with it one day, used my OBD II reader to clear the codes, then disconnected the Throttle Body and Mass Air Flow Sensors, started the car for a few seconds and let the SES light come back on, cleared the codes re-connected both the TB and Mass Air Flow Sensor and the car went back to its normal idle and the SES light did not come back on. During this, the car was at it's normal operating temp and I did drive it for about 10 minutes after.
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#81
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I also tried this: Sparky's Answers: 2004 Nissan Altima, P0507 Surging / High Idle. From Sparky: "The first time I tried this it took at least twenty times before I got all of the preconditioning steps completed. I have also since found out it is much easier if you have a clock (with a large second hand) in the car with you. The P0507 must be the only code stored. The engine and transmission must be fully warmed up. The idle speed must be below 1000 rpms or none of the steps will work. That is the reason for disconnecting the two injectors. If you mess up anywhere along the way you have to go back to the very first step and start over. There is also a chance that your throttle body assembly could be faulty." Tried it. Didn't work. I gave in and went to Dealer. $500+ later everything's OK. :( |
#82
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I had to replace the throttle body. Well, I also followed the market to get the idle RPM of step. My car bumps all over the place.
__________________
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#83
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Just found this link today after cleaning the throttle body on a 2003 Altima 4 cylinder and having the idle surge issue when I restarted it yesterday. Found the outline posted by Altima PR and followed it several times before I was successful. My situation was engine light always on so I wasn't sure if it would blink as noted in step #6. On the earlier tries it did not flicker from being lit steady. I noticed that step #5 seemed to be my hang up, with waiting 7 seconds after depressing and releasing pedal 5 times. I was either depressing the pedal too early or too late in step #6 but once I got it right, the SES began blinking after about 9 seconds then went solid on. After that, I followed the procedure and it worked like a charm. The idle speed came down to around 600rpm and stopped searching. All is well again. I think the SES will reset after 25 or more key cycles on and off like driving back and forth to work. I had some misfire codes previously due to coils dropping and after I replaced them the engine light went off after a few days driving and hasn't come on since You can't just cycle the ignition sitting there because I'm not sure if you have to allow a certain amount of on time or off time between the ignition being turned on or off. The ECU may store codes in past history even if the light goes off which will require a scan tool to clear them once and for all. I don't know of a sequence to manually erase codes like disconnecting battery or removing ECU fuse that works on some other makes. If any out there knows a way to wipe out codes without a scan tool I'd welcome the input. Thanks to all who contributed to this issue in the past, it really helped.
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#84
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Wow,
It's been many years since the original post and I'm sincerely happy you were able to solve your issue. I sold the car a few years back, it was a good, solid, comfortable 4-cylinder car. no regrets. Happy 2017 to all. |
#85
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Thanks again. Hope you're still dispensing helpful experiences. Best to you in 2017!
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Tags |
altima, body, cleanup, high, idle, routine, throttle |
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