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-   -   1991 supra mk3 7mgte, sluggish. (http://www.toyota-supra.info/forums/mkiii-supra/21528-1991-supra-mk3-7mgte-sluggish.html)

KevinJZA70 09-25-2015 12:34 AM

1991 supra mk3 7mgte, sluggish.
 
I have a 1991 supra mk3 7mgte, car runs perfect when building boost, but anything before that, i would have to press the pedal down to get the car moving good. Any suggestions on how to make the car run better? Haven't changed spark plugs as yet. :dunno:

Busted Knuckles 09-27-2015 10:53 AM

Spark plugs and filters are where I would start. A compression test may not be a bad idea, either.

S-mk3-B 10-07-2015 07:50 PM

If you could be a little more descriptive that will help, so like is the idle good? How's the throttle response, is it sluggish overall?

KevinJZA70 10-07-2015 11:59 PM

Throttle response a little late, pedal has a little 'rusty' movement (maybe needs to be greased?) However, many people are saying change your sparks, throw in some injector cleaner and you should see a difference?

Bru 10-25-2015 01:26 AM

Check the Air Flow Meter and the Throttle Position Sensor adjustment. The Test procedure is in the on line service manual.

Never clean a Air Flow Meter with any solvent. Check for the 2 holes being plugged though.
Excess oil in the intake can ruin these.

http://www.cygnusx1.net/Supra/Librar...3/default.aspx


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