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90 tracker distributor vacuum advance bad idling issues
#9
that is the ISC doing that, the ECU is cycling the ISC to find 800 and rpm and cant
my guess, is surging above 800 to why higher.? hotl.

id bet its not surging 700 to 1500, hot.
but is above 800 all the time, when surging
at idle. hot
that means you have air leaks, from somewhere, ever unscrew the throttle stop screw?
back side lower screw, the main stop.

what if PO messed with this?

800 is the target speed, hot.
the ecu on this old car is a tad nuts.
if it cant find 800 it hunts the ISC like mad.
(very illegal today to do that kind of software, on an automatic car , in drive, it is a run away car, (driver, daft, or kid or girl, panic)
IF STICK SHIFT CAR ITS NO BIG DEAL, (PAIN YES,BUT STICK drivers are always in control no big deal.. nor panic
but that is the ISC doing that, and the idle switch is closed, or idle controls be dead, and surging impossible, (isc surge)
http://www.fixkick.com
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RE: 90 tracker distributor vacuum advance bad idling issues - by fixkick - 04-29-2017, 09:49 AM

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