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Yet Another Stalling Problem...

Johnny Cash

By Johnny Cash,
in General Maintenance

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Johnny Cash Experienced

Johnny Cash

Posted
  • Author
Posted (edited)

Meh, im putting my girl up for sale anyway - let the buyer deal with it.

I have noticed that it does it most often at low speed, in the first couple gears (when clutching), and when turning or just after turning. Maybe my power steering pump is sapping too much juice, or the aac screw needs to be adjusted to allow more revs...

Edited by Johnny Cash
Johnny Cash Experienced

Johnny Cash

Posted
  • Author
Posted

I've heard rumours along the wire that a Throttle Position Sensor (TPS) can also be the culprit for an idle stalling problem. How do I go about playing with and/or replacing this?

I'll run a search, cos I know that's normally people's first answer (and it's lots of help, by the way... NOT!)

Johnny Cash Experienced

Johnny Cash

Posted
  • Author
Posted

I might be on the trail to finally finding the gremlin. Have received reports that the TPS wouldn't be responsible for all of the things that I'm experiencing. It's more attributable to a sticking throttle body butterfly than a TPS.

So the next step (in this epic saga) is to remove the throttle body, and clean it like nobody's business...

I'll be sure to report in with the results - stay tuned.

7yphon Experienced

7yphon

Posted
Posted

Have you tried using another AFM I had this problem after installing the new Turbo was shitting me to tears trying to save it at lights all the time, I have a mate who owns a skyline and he just put a RB25 in his 4 door so weee spare AFM for the 20 anyway we put it on and presto fixed I dont get much stalling now but I think the rest just means a good tune

R32FOURDOOR Collaborator

R32FOURDOOR

Posted
Posted

Ok guys i know how to fix this issue.

I tried everything to fix this problem on my R32

What i did was:

- Changed TPS

- Cleaned ACC valve

- Changed AAC valve

- Cleaned AFM

- Changed AFM (tested with RED top and SILVER top engines)

- Changed fuel filter

- Changed oil

- Played around with the idle screw

- Cleaned out throttle body+butterfly

- Cleaned plugs and re-set em

- Checked for vacume leak

NONE of this worked at all!!!, i was spewing.

But finally i was looking around the engine bay and spotted the

COLD START SOLENOID.

I got a new Cold Start Solenoid from my mechanic and it was fixed!!!!!

Finally!!!!!.

It doesnt hunt for revs anymore, and it doesnt idle high.

It purrs like a kitten.

PS: I talked to my mechanic and he said that skylines engines are pretty prone to stuffing up the Cold Start Solenoid.

This would be ur problem too. Id start there ASAP cos you dont wana go shitten around trying stuff that dont work, like i did.

Hopes this helps you guys,

Matt

  • 2 weeks later...
Johnny Cash Experienced

Johnny Cash

Posted
  • Author
Posted

I've fixed the stalling problem!!!

It was the blow off valve. Which is very strange, cos the blow off valve I had on it was the Greddy Type S, which was being plumbed back just like the stock one. Maybe it was blowing-off too early, too late, too much, too little, too who f*cken knows...

The good news is she's not stalling anymore, and I'm smiling again!

R32FOURDOOR Collaborator

R32FOURDOOR

Posted
Posted

JC_R32

The cold start solenoid is located under the intake plume cross over pipe (between the intake and the rocker cover) you may need to push some wires/pipes out of the way. Its a square thing with tubes going into it.

I got a brand new one from japan through my mechanic that cost $190. could try and get a second hand one but usually they are f**ked with the same problem

JC_R32 Contributor

JC_R32

Posted
Posted

Cheers R32FOURDOOR..

I Didn't get chance to check forum on weekend, so in the mean time, I did something else.

I reset my computer by disconnecting the battery and pressing the brake a few times (to clear any remaining volts) then plugged it back in... I couldn't tell if it solved the cold start problem, but it doesn't seem to be rev hunting at idle anymore.. it's actually quite smooth...

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