You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!
It seems my car is starting to exhibit a issue and not sure what it could be. Was really bad today. I left work, so car was cold, started it up, and the idle went up to like 1200rpms or so.. Then the car started to shake and sound bad. I looked at the rpms and noticed the rpms were jumping between 1200 and 500rpms all erratic around that area. Then I revved it up a little, and it stopped. Anyone have a idea what is going on? I noticed this lately but not as bad as today. We had a pretty good temperature change today, and it's been raining the last few days.
Have seen a couple posts with similar problems. I'm sure you have to.
Have the dealer check it out. Has it thrown a CEL? Possible Crank or cam sensor issue seems to be the common problem.
__________________ Nismo #575 Redline Crawford HFC's~UpRev~CE28N Time Attacks~MCR~Quaife~4.08FD~Samco~SPL~HKS Hypermax III's~HKS Hi power True Dual~Stillen headers~Rays long red Lugs~S2K Antenna mast~Injen CAI's~Toyo TR1's~15% Tint~AMSOIL
Ya, it funny you say that because only as my friend house i get this weird problem. When i accurate in first girl i feel around 1,500 rpms a lose in power for a quick second.... is that just me or the car is really loosing power for a sec?
Sounds like you got the hesitation when taking off when cold. Some have experienced that part as well. I use too but that went away. Now this issue, but it hasn't done it again since that day. So I dunno.
It seems my car is starting to exhibit a issue and not sure what it could be. Was really bad today. I left work, so car was cold, started it up, and the idle went up to like 1200rpms or so.. Then the car started to shake and sound bad. I looked at the rpms and noticed the rpms were jumping between 1200 and 500rpms all erratic around that area. Then I revved it up a little, and it stopped. Anyone have a idea what is going on? I noticed this lately but not as bad as today. We had a pretty good temperature change today, and it's been raining the last few days.
Dear Solo,
I have the same issue on my 07' HR with HFC, engine hesitations when cold start, did you solve this trouble, and advise me ? Thanks a lot !
Actually I think it had to do with the mods. One of them at least. Maybe the HFCs or the UPREV tune. I had a cam position sensor fail on it later after this post before getting rid of the car. Replaced it, and it was good after that. Not sure if that may have been the issue or not.
It didn't completely fail. It was acting bad when on the track when I was pushing the car and I was loosing power and WOT. Wish it did, would have made things easier to figure out!
hellsoldier, Do you still have your cats? I think it seriously has something to do with the cats and tune combined. Not really sure. Try running in stock tune for a while since you can do that with UPREV to see how the car responds.
ya, i swiched it to the stock tune the nigh before and next morning it did again :? also, i took it up to uprev and after they trying they said i would have to leave it over night to see what causing it when it starts.
SUBSCRIBED!
been fighting with this issue for a year now....i kept wanting to say its camshaft position sensors, but i replaced them with known working ones, and it didnt solve it. i cleaned all the electrical connectors/sensors i could find. checked battery and alternator outputs independently. took off grounding system. checked o2 sensors. replaced cats with GTM test pipes. now i have the headers off as i am looking for exhaust leaks...cant find any.
i have considered selling the car three times now but am hoping the dealers issue a TSB once a resolution is found since stock vq35hr's have this issue too.
Idle issues when cold
