nissan 300zx ecu diagnostic lights dont work

I believe the '96 model was released WITHOUT variable timing, removing about 20 odd HP from the beast reducing to 280HP in the TT. Go for '91 or up as I've heard there were some 'fixes' in the engine bay (sensors, injection etc) Not that the '90 Z is a bad car, you're just guarenteed to have less problems with the '91 and up. My personal experience - stay clear of the 19 Z's. ECU, ECM, PCM, TCM, BCM, ABS, Cummins Diesel, Ford 6.

On J30, M30 and Q45 models, the ECU is located behind the RH kick panel. If you don't have one, let your car idle for 1 - 2 minutes before you turn it off! Electronic Control Unit is an embedded system that controls one or more of the electrical systems or subsystems in a vehicle. More so, it shows why it is preferable to use a turbo timer to allow them to cool down. This shows how hot your turbo's can get after a moderate run. I'd like to replace both gaskets if there is a reason (I'm a little OCD about such things), but if it's pointless, I'll just completely remove the lower safety switch.WHY I DON'T OWN A TWIN TURBO Z (but, still love 'em!) Mode I (all the way counter-clockwise) is normal operation. The dial has two positions: Mode I and Mode II. Next to it is a small dial with a slot called a potentiometer. Advance said I'd have to go to a scrapyard for it, but I guess I'll search the internet for awhile first.Īlso, why the heck are there two safety switches? Is it really just a fail safe, or to make it idiot-proof? I can't even conceive of why I need two, especially since the bottom one isn't doing anything, and the car works alright. ECU Diagnostics Potentiometer (LED and CEL): On the ECU itself is a red LED diagnostics mode light. Get a free detailed estimate for a check engine light in your area from KBB.com. Fully programmable ECU interfacing directly with all the standard Nissan sensors and on board computer systems.

If you are serious about tuning your Nissan 350z then this is for you. The standard ECU must be retained for it to work (no PowerFC, Haltech, etc). I put some duct tape over the hole to keep it working until I find a replacement. The average price of a 1993 Nissan 300ZX check engine light can vary depending on location. The Haltech HT055016 Plug and Play ECU Engine management system for the 2003-2006 Nissan 350z is one of the best systems on the market today. The ECUTalk display will work on most Nissan cars built in the 1990s with the consult port (image on right) or a select few others with an OBDII plug (1999-2007). It probably won't clean it out as well as taking it off but it might help. The IACV isn't too difficult to remove really, but you can try pulling hoses off and spraying TB cleaner in while the car is off, letting it dry some, ad then start it up. I reached up and pushed it down with my finger, and the engine turned on with the turn of the key. Re: 1991 300ZX non turbo diagnostic device. There is a second safety switch a little further up the ENGAGES when I press the clutch. There is a safety switch that DISENGAGES when I press the clutch.

Nissan 300zx ecu diagnostic lights dont work