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  #21  
Old July 6th, 2012, 04:46 PM
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Jesse Hardin
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I found a video on YouTubes that says you can put a tester on the battery. Normal volts coming off the battery should be 12.8volts while cars off. Volts go up to between 13.8 and 14.8 for a functioning alternator.

I just replicated this. I get 12.8volts resting battery and between 14 and 15 volts while truck is running with a load (heater, AC, radio all on). Do you think this is a valid test? Would appear based on this test the alternator is functioning.
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  #22  
Old July 6th, 2012, 05:00 PM
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Bill Larson
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Bill Larson
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Quote:
Originally Posted by hunterjah View Post
I found a video on YouTubes that says you can put a tester on the battery. Normal volts coming off the battery should be 12.8volts while cars off. Volts go up to between 13.8 and 14.8 for a functioning alternator.

I just replicated this. I get 12.8volts resting battery and between 14 and 15 volts while truck is running with a load (heater, AC, radio all on). Do you think this is a valid test? Would appear based on this test the alternator is functioning.
Agreed that seems normal...now what
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  #23  
Old July 6th, 2012, 06:09 PM
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BRIAN
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fuel pressure

I'm going to try a fuel pressure test this weekend as I'm betting that Bill is right. I think it may be filter or pump issue...
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  #24  
Old July 6th, 2012, 07:50 PM
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Jesse Hardin
Past: '97 D90 LE #135
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It just makes me wonder why my issue is isolated to when the AC is on if it was a fuel pump. I may just break down and send it over to Alan next week! Better start rolling my coin jar!
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Current Stable:
2016 BMW M3 (Mineral Grey)
2013 Ford Raptor (Tuxedo Black)

Previous Rovers:
1997 LR D90 LE - #135
1997 LR D90 ST - #1185 (BRG)
2000 LR Discovery SII (Oxford Blue)
2008 LR LR3 HSE (Alaska White)
2012 LR LR4 Lux (Fuji White)
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  #25  
Old July 6th, 2012, 07:59 PM
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Bill Larson
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Bill Larson
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Originally Posted by hunterjah View Post
It just makes me wonder why my issue is isolated to when the AC is on if it was a fuel pump. I may just break down and send it over to Alan next week! Better start rolling my coin jar!
oh dont worry about it...just sell it but keep the price low no one wants an LE....lol. It's a weird problem, but not too many have chimed in, maybe you'll get some more suggestions over the weekend! Good luck.
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  #26  
Old July 6th, 2012, 08:36 PM
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Bill Adams
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Quote:
Originally Posted by hunterjah

A motor? Say what?
The electric motor that runs the pump in the tank
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  #27  
Old July 9th, 2012, 10:20 AM
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BRIAN
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ah... good point. Me, I seem to notice that it has happened with less than half a tank. (Don't know if I'm symptoms are related to that or not) I figure if the fuel pump is not up to snuff and/or the line is backed up (at let's say the filter), then it may be what is causing the motor to stall.

Unfortunately I could not get the fuel pressure test to go (adapters were not correct to my fuel line), so I went ahead and changed the fuel filter to see if that addresses the problem. I know throwing parts at her is not a good diagnosis but hey, 10 minutes and 10 dollars may be a simple fix.

I'll let you know if it worked. Let me know what happens.

Good luck!
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