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Old 01-04-2012, 08:25 PM   #61
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Car "stumbles"


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Originally Posted by CATliftTech View Post
I think that's "matter-of-fact". Your original post stated you had a problem with the vehicle almost stalling when backing up and pushing the clutch in. That's what I was addressing. I'll study the posts again for rough idle.
Right, Cat- I think the thread morphed to the rough idle now, and yes, a member here actually hit it right on the nose sugesting the pcv valve. With a new one, the car does not stumble anymore, and Im very happy. I hope I did not also confuse anyone else here with this- yes, I still have that annoying rough idle, but the car stumbling as I reverse and release clutch is gone!!

So, any tips appreciated.( have not had any luck playing with the timing light/timing pulley mark, etc. Seems to not have had any change)

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Old 01-04-2012, 08:27 PM   #62
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Car "stumbles"


This may help- when I floor the pedal with hot engine, of course, accelerate, and shift going to 5000 rps, the car accelerates excellently!! No stumbling.roughness. I had not mentioned that before, I think. Its just at idle.....
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Old 01-30-2012, 06:14 PM   #63
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Car "stumbles"


After 60+ posts here, and after 9 years of living with the "stumbling idle", I thinbk I might have fount it, people!!!!!! Youre not gonna believe it- I decided this past weekend to tackle my timing belt/serpentine/and wile I was at it, the water pump. Cripe- I noticed that timing belt was slack/loose!!! Man, thats got to hace a bad effect on idle, right? Then, upon studying how to remove the water pump to get to the timing belt, it hit me- I never tightened the water pump back in 2003 when I did a head gasket (the pump is on a "cam" style design where turning it will tighten the belt).
\

Boy, did I miss this step way back in 2003!!! Ran for 9 years!! But, lets not celebrate yet- lets wait til I actuially DO put on the belt, and line up the cut notches, and tighten the belt the right way!!!

I cant wait! (while Im at it, Im putting on a new crank seal, and cam seal...)
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Old 02-07-2012, 07:27 AM   #64
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Car "stumbles"


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Originally Posted by noquacks View Post
After 60+ posts here, and after 9 years of living with the "stumbling idle", I thinbk I might have fount it, people!!!!!! Youre not gonna believe it- I decided this past weekend to tackle my timing belt/serpentine/and wile I was at it, the water pump. Cripe- I noticed that timing belt was slack/loose!!! Man, thats got to hace a bad effect on idle, right? Then, upon studying how to remove the water pump to get to the timing belt, it hit me- I never tightened the water pump back in 2003 when I did a head gasket (the pump is on a "cam" style design where turning it will tighten the belt).
\

Boy, did I miss this step way back in 2003!!! Ran for 9 years!! But, lets not celebrate yet- lets wait til I actuially DO put on the belt, and line up the cut notches, and tighten the belt the right way!!!

I cant wait! (while Im at it, Im putting on a new crank seal, and cam seal...)

So, is there an update???
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Old 06-17-2012, 06:16 PM   #65
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Car "stumbles"


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So, is there an update???
Sooooory Marty, for LATE update- but beter late than never- after all the work, , which needed to be done, all seals worked well, and no more leaks. BUT, as a bonus, I was expecting the timing to be better, and no change. Oh well, even after tightening the belt nicely, eliminating slop, no change. Mystery continues.

At least, I wont hav to worry about getting stuck on HWY on account of the oil pump. Its perfectly fine.

A new pcv valve did improve the stumbling, I believe I reported that already......
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Old 06-17-2012, 08:38 PM   #66
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Car "stumbles"


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Originally Posted by johnnyfreud786
Hi, nice thread. I am looking for an auto body expert for my Nissan car near my down town. It has compression as well as suspension problem. Some work of auto glass also needed to give it a new look. Any recommendation.

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What's it doing ? Or not doing ?
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Old 06-17-2012, 09:04 PM   #67
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Car "stumbles"


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Originally Posted by Carkid0007 View Post
What's it doing ? Or not doing ?
OK, carkid- it "stumbles" but only at idle. Now, at th advice of a fellow member here (probably burried in this thread a while ago) I did replace the PCV valve and that got rid of the problem of the car almost dying when say, I back up a few yards then push clutch in to prepare to shift to 1st, right there, the car almost dies. That was corrected by the new PCV valve- cheap easy fix.

But, still, at idle, the car runs rough/a litle spitting/stumbling. Now, let me warn you- Ive been chasing this for TEN years. No luck. Changed just about everything.

Whew- well now you know the rest of the story. I , a few months ago, changed the tiiming belt, as you know from thread above. I thought maybe because the old one had some slop in it that may have ben the cause, but no such luck. Dang........
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Old 08-29-2012, 12:46 AM   #68
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Car "stumbles"


Iacv been changed as well ?
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Old 09-19-2012, 07:40 PM   #69
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Iacv been changed as well ?
Whats that? Idle air control valve? Yes, new (and old one was still good, learned afterward by testing it). See what I mean! Everything new. Everything new , Sheesh.......
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Old 09-25-2012, 01:14 AM   #70
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Coolant temp sensor ?
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Old 09-25-2012, 05:59 PM   #71
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Car "stumbles"


Does your car have power brakes? You might look at the check valve attached to the booster , it will have a rubber vacuum hose from the manifold going to the booster, take plastic check valve could be defective, very cheap to replace.

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