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90 sidekick plenty problems, strange setup? almost there *hoping*
#13
the ecu on 89/90 has 60a suffix on the label, and useless on any 91 plus nor will it plug in.
new spark wires and plugs,
this 98 has the VR SENSOR AND INITIATOR INSIDE THE DISTRIBUTOR. THIS DISTRIBUTOR DOES ALL SPARK And many this old are bad.
2k after DP CLOSES, IS NORMAL, SAY IN NEW YORK AT 15f OR WORSE THIS IS HOW ALL IAC WORK
he colder the coolant the wider the IAC opens and very fast idle, on 50f day 1500 is par. ok?

no the 89/90 DOES not prime pulse the pump above air temps 15F . just below, 15f the FSM stats this clear and fuel pump page shows the factory qoute.
key non squire what is your air time now???? 50f in texas or -15f F in MAIN.

what is PAU? (?)
OBD1, the cell lamp must glow key on,does it
the storage RAM for DTC errors runs off the dome fuse, if the dome fuse blown the Ecu FORGETS ALL SAVED ERRORS (DTC)
SO FIX DOME FIRST. HECK all fuses, for dome, igcoil and FI must be good fuses
this is GEN1 car, not gen2, so all electrics are unique to this only.

key ,cell glow, if not fix bad lamp. (gee the engine starts so the other 2 fuses are good.
the when the engine runs all gross sensor errors set a DTC error, that flaSHES out. (via cell lamp)

the 1990 engines,has the TB top Isc with 2 naked wires, in 1991+ is now a PLUG.
the 90 has a very unique distributor, 60a series, with advancing fly weights and 1 VR COIL AND IGNITOR. INSIDE DISTRIB PLATE BASE.
VERY VERY UNIQUE TO 89/90 ONLY.
SO IF SPARK IS BAD,IT IS NEVER ECU'S FAULT.

POST ALL SYMPTOMS, FIRST.
starting takes air if the IAC is dead the engine floods when cranked
if running and misfiring check park first. us a timing light for timing check and see of the light blinks steady x4

if engine ,misfires, heard,seen felt. it is.
and most be diagnosed next
spark tops list on this old old car...

to check sensors i NEED your out door temperatures

more later, got to catch an air plane.
http://www.fixkick.com
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RE: 90 sidekick plenty problems, strange setup? almost there *hoping* - by fixkick - 02-02-2019, 04:56 AM

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