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Engine slight "shiver" at idle- normal?
#9
i got the OBD II scanner for my phone.
I did some scans last night and this morning and the

idling:
fuel System runs in closed loop pretty quick after start with O2.
after warm up there is no faults pending or active. the Emissions readiness are all complete.
the timing is 8-9.
the MAF is 2.1
Intake psi 4.2
the LTFT is a bit strange it started at 2.3 and while idling for 10 min start moving in steps every 2-3 min till it got to 7.
the STFT is -1 to 1.3 or so.
Vacuum 21.7



on the freeway:
timing was jumping between 30 and 39.5 even on steady speed 65mph
LTFT was about -1.5 or so
I think the MAF was about 12

Excuse the ignorance I am just starting to learn more details about the car.

Thanks a lot.
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Chevrolet Tracker 1998, 5sp 4Dr 4x2
Suzuki Esteem 2002, Auto.
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RE: Engine slight "shiver" at idle- normal? - by Vitalie - 03-29-2014, 02:45 AM

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