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99 Tahoe start hesitation:

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Old 05-31-2018, 08:54 PM
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Default 99 Tahoe start hesitation:

Ok, when I turn ignition to start: it hits, pauses for 1/2" sand then begins to go into crank mode. When it starts to turn over, the 1st little bit seems like too much compression. Only had this happened with cold motor, and doesn't happen all the time. Had btw
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Old 05-31-2018, 08:56 PM
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I hit wrong button... Since this began, i have replaced starter and the cam/crank sensor. Still does the same.

Thanks!
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Old 06-05-2018, 01:55 AM
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Originally Posted by SquirrelShooter View Post
Ok, when I turn ignition to start: it hits, pauses for 1/2" sand then begins to go into crank mode. When it starts to turn over, the 1st little bit seems like too much compression. Only had this happened with cold motor, and doesn't happen all the time. Had btw
Sounds like a weak battery, bad connection at battery terminals, bad starter wires (the big ones), or a combination of these.
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Old 06-06-2018, 10:34 AM
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I have a 1997 Chevy Silverado 5.7 that does something similar to that. The 2 positive battery cables have to "mesh" together then tightened.
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Old 06-08-2018, 06:32 AM
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Thanks, and sorry for the delay getting back. I checked my battery, and it is jamb up. My wire combination is the same (I have a dual post battery bc have a positive wire that runs directly to fuse bank). Maybe my terminals (though I thought I checked them when took off to replace starter) need attention or bad connection elsewhere like CC said?
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Old 06-08-2018, 12:43 PM
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I am really picky when it comes to clean & tight connections.
Emory cloth used to clean all terminals.
Even nylock nuts with a sealed AGM powerful battery. AGM will not offer corrosion to terminals.
Having a battery load test done offers confidence to ensure the cranking amps are truly up to speed.

I Beefed up grounds & replaced any questionable wires.
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Old 06-08-2018, 05:03 PM
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Originally Posted by SquirrelShooter View Post
I checked my battery, and it is jamb up.
This is "good" right?

How was it tested?

How many volts does it show normally and during start?

How old is it?

Originally Posted by SquirrelShooter View Post
or bad connection elsewhere like CC said?
I've even seen them corrode inside the insulator halfway down the wire. The only external sign is that the wire is really easy to flex there. That was on older cars but still a possibility.
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Old 06-08-2018, 08:35 PM
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How long has this been happening, and is it using any fluids such as coolant and oil?
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Old 06-16-2018, 12:00 PM
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Sorry for not responding before now! I have been super busy. Thanks for all the advice. Strangely, last Sat there was no hesitation; but since then it is worse - however, I haven't crabked it as frequently. I am going to check cable connections and try another battery I have (I will do that 1st to isolate the 2).

Thanks again!
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