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FYI - SES light flashing rapidly

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1ARUNEM

On Lucky #7
Joined
May 23, 2001
Messages
1,248
Just thought I would share an experience today incase anyone runs into the same problem..

Drove the 87T up to Pigeon Forge this past weekend for the Grand Rod Run. Car ran wonderfully all the way up there (5 hour trip).. Got up there on Monday and drove the car thru the mountains and around town all week.

Saturday morning I got in the car to go into town for the car show and the car was idling very lumpy as if it had a huge cam. I also noted the SES light was flashing rapidly but faintly.. Car also smoked excessively and rev'd very poorly. Sounded as if it was pig rich. I turned the car off, unplugged the computer, refired it and everything was fine.

Well, drove it to the show and it was fine. That night, I refired it and same thing, poor idle, rapid SES light, etc. Scanmaster showed code 45 and 51.. Of course I had not brought my laptop so I couldn't access the net to see that the codes were rich condition and prom error.

Shooting in the dark I tried resetting the computer, no luck. Tried unplugging the maf, no change. Messed with the IAC, no change..

Then I noticed my rpm on the scanmaster were reading 000.
After trying starting the car several times trying things, the scanmaster was then reading nothing at all.

Then it hit me.. I pulled the computer out, pulled the chip and stuck my race chip in.. BINGO... Car fired right up, ran fine and got me all the way home (very carefully) on Sunday..

Sorry for the length, but just thought someone may run into the same problem/symptoms and be able to use my 'experience' to their benefit..

After all that, I remembered Quick6nKC having a similiar post.. Wish I would have remembered it right away...

So, if you have a rapidly flashing SES light, check to see that your chip may either be bad or not properly seated.. AND carry a spare chip...
HTH..
 
You were running in limp mode. That's what the calpak is for. With no Eprom chip at all, that's how your car would run.
 
Happened to me a week ago. Where were you then? ;)

Scott
 
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