01-28-2015, 07:41 AM
Is the IAC integrated with the ISC? I'll probably pull that off tonight and have a look.
10% throttle helps it start readily, whereas at 100% it will not start (just cranks and cranks -- it's programmed that way, yes?). Fuel pressure seems to come up very fast -- when it's cold it will fire immediately without waiting for the pump to prime at all.
Plugs all look balanced, so I don't think it's an injector issue:
#1
![[Image: b3930a35-376d-4d7d-b7f7-5e295df4aac1_zpsxxit2tgv.jpg]](http://i586.photobucket.com/albums/ss301/colonelhogan44/b3930a35-376d-4d7d-b7f7-5e295df4aac1_zpsxxit2tgv.jpg)
#2
![[Image: IMAG1705_zpsb9h4ghlp.jpg]](http://i586.photobucket.com/albums/ss301/colonelhogan44/IMAG1705_zpsb9h4ghlp.jpg)
#3
![[Image: IMAG1706_zpswvf18guv.jpg]](http://i586.photobucket.com/albums/ss301/colonelhogan44/IMAG1706_zpswvf18guv.jpg)
#4
![[Image: IMAG1707_zpso8fnjw0m.jpg]](http://i586.photobucket.com/albums/ss301/colonelhogan44/IMAG1707_zpso8fnjw0m.jpg)
10% throttle helps it start readily, whereas at 100% it will not start (just cranks and cranks -- it's programmed that way, yes?). Fuel pressure seems to come up very fast -- when it's cold it will fire immediately without waiting for the pump to prime at all.
Plugs all look balanced, so I don't think it's an injector issue:
#1
#2
#3
#4
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1993 Tracker 4x4, 2 door, 8v, 3 sp auto. 132k - 25 mpg
1996 Tracker 4x4, 2 door, 16v, 3 sp auto. 100k - 28.6 mpg
1998 Saturn SL2, 4 speed auto, 206k - 35 mpg
1987 Mercedes-Benz 300D turbodiesel, 4 sp auto, 143k - 28.7 mpg
1993 Tracker 4x4, 2 door, 8v, 3 sp auto. 132k - 25 mpg
1996 Tracker 4x4, 2 door, 16v, 3 sp auto. 100k - 28.6 mpg
1998 Saturn SL2, 4 speed auto, 206k - 35 mpg
1987 Mercedes-Benz 300D turbodiesel, 4 sp auto, 143k - 28.7 mpg