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Old 03-23-2019, 02:52 PM   #1 (permalink)
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Default Jimny G13BB dies when starting to warm up

Jimny from 1999 - G13BB - ruff high idle when starting to warm up

Then dies.

No fault codes (reading MIL light). I have no OBD1.
Ive been using the Service book fault finding procedure.

I have checked EGR - TPS - IAC - lambda = they all have right voltage or/and resistance.
There is no resistance on wires between sensors and ECU.
EVAP - air leaks, cant see nothing there. MAP and TPS have been changed to other used ones.
Changed lambda sond to an other new, universal one, with no change.
Had fuel injectors out and they seemed ok when cleaned them out.
OK fuel pressure according to owner. This car has no fuel filter.
New spark plugs.
Spark on coils.
History on this car, has had problem with idle before - but not this severe.

https://youtu.be/1uj68MhXT1M

https://youtu.be/8g3vxYWd6Jw

Duty cycle on IAC (should be 4-30% at hot engine):

https://youtu.be/zXpXr8IbNTs

Where should I look further?
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