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rotary and supra lover
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31 Posts
Discussion Starter · #1 ·
I have an 90 N/A auto , when I WOT the car , it doesn't rev above 4500rpm,
it just jumps around 4300-4500rpm , but the car can past 4500rpm with light throttle .
I checked the error code , it has a error code , *_*_*_*_*___*
I think it is code 51 , so I check the TPS , it has no problem and everything is in the right spec , and I check the Timing , the timing is at 10 degree .
help please
 

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rotary and supra lover
Joined
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31 Posts
Discussion Starter · #3 ·
the blue one is another guy , mine is red, I rarely drive it

today I check the ETC error code , and it has no error code at all ,
and I check the engine code again , no error code too ,
and I gut the cat already , so it is not about clogged cat.
 

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9,000,000 lbs of BOOOOST!
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625 Posts
is it runnin super rich or something?
 

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rotary and supra lover
Joined
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31 Posts
Discussion Starter · #6 ·
I think the A/F ratio is normal ,
when I check the timing , it stay between 10-12 degree , is it a problem?
thanks for reply
 
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