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My 1998 isuzu long tray back NPR truck has an electrical fault somewhere,well i assume its electrical i just brought 2 new CCA850 batteries for it and it worked fine for two days then wouldnt start

My 1998 isuzu truck has an electrical fault somewhere,well i assume its electrical i just brought 2 new CCA850 batteries for it and it worked fine for two days then wouldnt start again the third morning... although could be clutch started and when it had ran for 15 minutes or so would start again no problem..im let to believe that if it was the alternator the batteries couldnt be charged yet like ive explained ,new batteries ,starts fine after 15 min yet each morning nothing just a clicking starter motor...pls help

Posted by Anonymous on

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  • Cars & Trucks Master
  • 42,218 Answers

The alternator or the voltage regulator is at fault
have an accredited auto electrician do a charhe circuit test

Posted on May 16, 2017

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: engine keeps dying

Time to switch to a low consumption car my friend
You are financing Terrorist countries such as Syria and Iran!

Posted on Jul 14, 2008

SOURCE: Car Powers Up, No turn, No Click, Nothing but power

I had a similar problem. My 1998 Lexus ES300 wouldn't start. I had to change idle control valve. I don't have such problems ever since. I read that many used Lexus/Toyota owners had the same problem with that valve.

Posted on Sep 14, 2008

raffaiel
  • 209 Answers

SOURCE: Suburban won't start, we don't believe it's the starter

first try to check the fuse of the ignition if it is ok or clean coz some times when it has a corrosion it has the tendency of having a delayed power transmital . if it is fine then check the starter relay if it is good coz it also having a power surge so you have a delayed power to your starte...

Posted on Apr 21, 2009

Molson02536
  • 3854 Answers

SOURCE: chevy cavalier wont start randomly! makes one

Ok then, from your description and the
make/model/year of the car you have there,
it appears you've reset the VATS.

The car's security immobilizer
reader at the key switch
does not recognize the coded
chip in the ignition key any longer.

You can try to put the key
in the ignition, turn to the on position &
wait at least 10 min like that.
(Do not turn off the key switch before
10 minutes as elapsed!)

Once done, the key is re-programmed and
should allow the fuel injectors to work again.
The car would start now if corrected.

In some cases, the VATS (GM'S VEHICLE ANTI THEFT SYSTEM)
will re learn the code this way, and will then
allow the restart, however if this does not work,
then you can simply tow it to any GM vehicle dealer
to have the service department re code it.

There is a permanent solution though.
Adding the PLJX Self learning Bypass module (59.95)
will bypass the PASSLOCK system in your vehicle
for good. See this at www.PASSLOCK2.com

Good luck I hope method 1 does the trick!

Here is the 30 min relearn:

Ignition keys relearn takes about 30 min to do. 30-Minute Learn Procedure 1. Turn ON the ignition, with the engine OFF. 2. Attempt to start the engine, then release the key to ON; the vehicle will not start. 3. Observe the SECURITY tell tale light. After approximately 10 minutes, the light will turn OFF. 4. Turn OFF the ignition switch, and wait 5 seconds. 5. Repeat steps 1 through 4 - two more times - for a total of 3 cycles of 10 minutes. 3x10 = 30 minutes. The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch turn from OFF to CRANK Important: Turn the Ignition Switch OFF. The vehicle learns the Passlock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle. 6. Start the engine. The vehicle has now learned the Passlock Sensor Data Code and/or password. 7. With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles. Without a scan tool you may have momentary starter interruptions while history clears itself.

Posted on Dec 23, 2009

Shorty1_wt
  • 324 Answers

SOURCE: isuzu npr 5.7 gas not starting on its own

sounds like its time to replace the fuel pump.

Posted on Feb 05, 2010

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