Question about 1990 Nissan 300ZX

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Ok how do you check codes ecu on 300zx 90

Ok how do ckeck the ecu codes

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Here's a step-by-step on how to check stored ECU codes:

http://www.nicoclub.com/articles.php?id=249406

You can also monitor O2 sensor input to the ecu on both banks, pretty handy.

Posted on Aug 27, 2009

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People Most Often Take Their Cars To A Local Auto Zone And They Do It Free.
But You Can Buy A Really Over Priced Code Reader If You Want.

Posted on Jan 15, 2009

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Related Questions:

1 Answer

Code 21


Try the crankshaft sensor

Jan 01, 2018 | 1991 Nissan 300ZX

1 Answer

Stalling problems with a 1984 Nissan 300zx?


YOU WILL HAVE TO CHECK THE ECU FOR ANY CODES FOR STARTERS.

Nov 22, 2011 | 1984 Nissan 300ZX

1 Answer

Why does my 1984 nissan 300zx cut off while driving down the road?


CHECK THE ECU FOR CODES, ALSO HOOK UP FUEL PRESSURE GAUGE WHILE DRIVING TO SEE WHAT IT IS READING WHEN IT CUTS OUT

Aug 24, 2011 | 1984 Nissan 300ZX

1 Answer

I would like to test the throttle position sensor on my 1985 300zx, where is this located. I have been having trouble starting the car and keeping it running once it is started. Also when gas pedal is not...


the throttle position is bolted on to your throttle body, you should check your air flow meter also, the ecu, located behind the passenger kick panel, has a self diognastic mode with all the code definitions listed on the ecu, if i remember correctly turn the key on , dont let starter engage, pusk gas pedal to floor, release, then the ecu will bling red and green, two red blinks and one green means code 21 and so on

Jan 17, 2018 | 1985 Nissan 300ZX

1 Answer

90 nissan 300zx will turn over but will not start. I have checked for a spark an there is one..I did a ECU test and came up no codes so I dont know what to do... I am trying to troubleshoot b4 having to...


If You have spark, then You have a fuel problem, check for the fuel pump fuse, the engine controls fuse, if good listen for a whiring sound under your gas tank as soon as you turn on the key, ifg not the fuel pump is bad inside the gas tank, Good Luck!

Aug 16, 2009 | 1990 Nissan 300ZX

1 Answer

What is the idle switch on a 1986 300zx that ecu code 23 refers to?


An idle switch regulator also known as a idle air control valve a code 23 for a Nissan 1986 300zx is located on the intake in the center on the passenger side of the Z it has 1 wiring harness and two hose placements one on the front and one on the back difficulty taking this off little if any.

Apr 27, 2009 | 1986 Nissan 300ZX

1 Answer

Check eng light come on and the code is 55


55 is No Malfunction. Re-check the actual ECU lights for another code just to make sure. Let me know if you dont know how to do this. Hope this helps.

Jan 14, 2009 | 1990 Nissan 300ZX

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