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Maintenance & Repair 350Z up keep and diagnosing/fixing problems

SES, VDC, & SLIP lights on

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Old 12-28-2014 | 03:47 PM
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Ijustwannadrift's Avatar
Ijustwannadrift
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Default SES, VDC, & SLIP lights on

The other day when I was accelerating up to about 50mph I gave the car some throttle, I did get on it pretty good, about 80% throttle and shifting at about 4.5-5k rpm. When I shifted into third, the SES, VDC OFF, & SLIP lights all came on, but the car was running fine. I tried revving the car and tried getting on it a bit again and nothing happened. When I turned it off and then turned it back on again it only had the SES light on. It stayed that way for about a day and then out of nowhere on my way home from work, when I shifted into second, the throttle cut out super hard and then came back in and repeated 2-3 times very quickly. Then i looked at my dash and saw all three lights back on. A day later, the same problem happened, but it happened twice while I drove across town and back. Well today I went to the store that's less than a mile from my house, and I barely made it to the store, and on my way back the problem became so bad that I drove back about 20 miles an hour with the hazards on. It seems to happen if the rpm goes above 2k or if throttle input goes past 10-15% I would guess. It seems as if possibly the car is tricking itself into thinking the tires are slipping and it cuts out throttle to stop it slipping, and I need to drive it 20 miles to the dealership so I'm basically screwed. The only mod I currently have is it is true dual straight pipe after the cats. The car has 81,000 miles on it right now. I see a lot of people saying that with those three lights it's the cam position sensor and if this describes that, I'd like to fix it on my own instead of taking it back to the exhaust shop and getting the stock exhaust put back on to take it back to the dealership to try getting it covered under warranty. Oh and also, when I'm at a constant speed/throttle the rpm will move up and down very rapidly.

Last edited by Ijustwannadrift; 12-28-2014 at 03:49 PM. Reason: Needed to add something
Old 12-28-2014 | 03:58 PM
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Ijustwannadrift
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I forgot to mention that it's a 2003 so it's the vq35de if that matters
Old 12-28-2014 | 04:01 PM
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Spike100
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It’s probably your camshaft and/or crankshaft sensor(s). If you get the codes, you know for sure. This is a typical problem at 80K mileage.

After getting the codes (so you know the problem and what sensors you need to replace), you can do the repair yourself. I would replace the driver side and passenger side sensors.
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