Looking for a cheap OBD1 scanner
 

Hey guys 500 miles put on my new engine and today while it was idling the service engine soon light came on and then whent off when i started moving again. this happened 3 times and I want to know if there is a cheap scanner i can get to pull the codes on the light and see what was causing it, thanks.

RE: Looking for a cheap OBD1 scanner
 

Scanner! We don’t need no stinking Scanner!
Got a paper clip? Jump one connector to the other and count the blinking light. With the engine not running the first code you will see is 12. That is one blink a pause then two blinks. It will repeat that 3 times. After that it will blink out any stored codes.

http://www.extreme-check-engine-light-codes.com/GM%20OBD1%20Decoder.htm

RE: Looking for a cheap OBD1 scanner
 

I think there is a good marketing opportunity here.
NOW AVAILABLE, affordable OBDI Code Scanner Tool.
Simple and easy to use, fits easily into your pocket too.
Send only $19.95, plus $6.95 shipping & handling. ;)
Picture of prototype model shown below...

Attachment 41149

RE: Looking for a cheap OBD1 scanner
 

wow thats great lol thanks


Well I whent out and gave this a shot and the only thing it did was turn the fans on, I did some research on the web and people are saying that you were only able to do this on 93 or older camaros

RE: Looking for a cheap OBD1 scanner
 

Ok something stange is going on and i cant put my finger on it. If I put the clip where it should go before turning the car to the on position the light doesnt come on at all, If I put it in after it is in the on position the light stays solid and does not flash. Any ideas on this?

RE: Looking for a cheap OBD1 scanner
 

Turn the key on first do not start it. The light should go on. Then jump the connectora second or two afterlight should start blinking.

RE: Looking for a cheap OBD1 scanner
 

yeah that is what I tried still no luck with i it just stays solid

RE: Looking for a cheap OBD1 scanner
 

Sure you are jumping the right connectors? Do you have a aftermarket chip in the ECM? Most cars that will not flash a 12 is because the diagnostic side of the ECM is fried.

RE: Looking for a cheap OBD1 scanner
 

I dont have a chip but it was reprogrammed by pcmforless, yeah i have the pin in the right place too

RE: Looking for a cheap OBD1 scanner
 

I work on the OBD1 systems but only up until 1989 at that point just the vets where programmable and that was by the factory. I have no idea if having a reprogrammed chip could cause the system not to work. When I would get a car in to work onthat have a aftermaket prom I had to switched it back to the stock one because it would not give me any codes. I can't really help anymore, sorry