check engine light? help

General discussion forum about the 240sx, and a great place to introduce yourself to the board!
ivan2233
Posts: 6
Joined: Fri May 15, 2009 9:51 am
Car: nissan 240sx 1990

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my check engine light went on like a week ago. i been reading on how to check the ecu and get the codes. but i checked my ecu and it doesn't have a red or green light. is there another way to check it that i dont know of?

ita a nissan 240sx 1990


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lbkahuna21
Posts: 20
Joined: Thu Jun 04, 2009 5:54 pm
Car: 1990 240sx HB

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If you can get your hands on a scan tool then you can see what codes its throwing. Then find what the code is. Prolem is if you dont have one then you will eityher need to buy one or maybe get lucky and find someone with one. Whats going on differently with the car that out of the ordinary?

sommmatt
Posts: 2608
Joined: Fri Jul 20, 2007 8:03 pm
Car: 1989 Nissan 240SX

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The lights are on the bottom.

driftneil
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Joined: Wed Mar 28, 2007 5:11 am
Car: A pile of cars.

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Go to an auto zone, or advance auto. They lend out scanners.

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adrianfromthecastle
Posts: 18849
Joined: Wed Jun 29, 2005 5:36 am
Car: 1992 Nissan 240sx
Location: California

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if I recall correctly, check engine lights on s13's usually refer to the O2 sensor.

SILVIAJayS
Posts: 178
Joined: Sun Jul 08, 2007 1:37 pm
Car: 1996 Nissan 240SX SE

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Usually the light in the dash blinks as well as the one on the ecu.

ivan2233
Posts: 6
Joined: Fri May 15, 2009 9:51 am
Car: nissan 240sx 1990

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how do you make it blink?

my car is running perfect its just that light that's bothering me.well like two weeks ago i accidentally cut this two little wires that are connected to the air filter it looks like a censor, well actually i just cut one because thats how i bought it.do you guys think that might be the problem? but the light went on like 4 days after that

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adrianfromthecastle
Posts: 18849
Joined: Wed Jun 29, 2005 5:36 am
Car: 1992 Nissan 240sx
Location: California

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SILVIAJayS wrote:Usually the light in the dash blinks as well as the one on the ecu.
never heard that one before...
ivan2233 wrote:how do you make it blink?

my car is running perfect its just that light that's bothering me.well like two weeks ago i accidentally cut this two little wires that are connected to the air filter it looks like a censor, well actually i just cut one because thats how i bought it.do you guys think that might be the problem? but the light went on like 4 days after that
read my previous post. its a start. CHECK YOUR O2 SENSOR..

its like you just disregarded my post

ivan2233
Posts: 6
Joined: Fri May 15, 2009 9:51 am
Car: nissan 240sx 1990

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sorry bro but whats the name of your previous post? thanks

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Razi
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Joined: Sun Dec 31, 2006 9:52 am
Car: Moo

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What the heck. Hahaha.

Scroll up and read what he posted in this thread.

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AZ89two4Tsx
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ivan2233
Posts: 6
Joined: Fri May 15, 2009 9:51 am
Car: nissan 240sx 1990

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oooooooooooooo i see haha


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