Long start times, any ideas?
#1
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Long start times, any ideas?
Just got my Jeep back on the road after a year+ swap effort. Runs great, plenty of power and whatnot. My only issue is it takes a long time to start. Fuel pressure is good, and does not drop down after the pump does its 2 second prime. I haven't really dug into it yet, but anyone have any ideas of what might cause a 5.3 to take 5 seconds or so of cranking to start?
Thanks,
Thanks,
#2
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The cam sensor would be the first thing to look at since you know the fuel pressure is good. No cam sensor signal will add a lot of cranking time before the engine starts.
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91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno
www.speartech.com
91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno
www.speartech.com