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#1
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Why did my Pickup go 'Haywire' after new Battery Installation.
Help! I Had a 'Diehard' Battery installed last night in my 98' Ford
Ranger automatic, however, when I started to drive off after service was completed and paid for, my truck wouldn't get out of first 'gear', my 'o/d' (overdrive) light started flashing off and on for a short period, there was definite hesitation in acceleration, and my speedometer stopped working as well as my interior light when I tried to turn it on. EVERYTHING was operating perfectly beforehand, and the 'Sears' guys didn't seem to have a clue when I drove it back to question this situation. Now my Truck hesitates big time like it's stuck in gear or something, and I'm sure this was not a coincidence, WHAT HAPPENED??? Someone told me about 'codes' being reset or somthing......WHAT??? |
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#2
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Yup. The engine computer most likely forgot its
previous settings. "Vic Martinez" > wrote in message ... > Help! I Had a 'Diehard' Battery installed last night in my 98' Ford > Ranger automatic, however, when I started to drive off after service was > completed and paid for, my truck wouldn't get out of first 'gear', my > 'o/d' (overdrive) light started flashing off and on for a short period, > there was definite hesitation in acceleration, and my speedometer > stopped working as well as my interior light when I tried to turn it on. > EVERYTHING was operating perfectly beforehand, and the 'Sears' guys > didn't seem to have a clue when I drove it back to question this > situation. Now my Truck hesitates big time like it's stuck in gear or > something, and I'm sure this was not a coincidence, WHAT HAPPENED??? > Someone told me about 'codes' being reset or somthing......WHAT??? > |
#3
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"Vic Martinez" > wrote
> Help! I Had a 'Diehard' Battery installed last night in my 98' Ford > Ranger automatic, however, when I started to drive off after service was > completed and paid for, my truck wouldn't get out of first 'gear', my > 'o/d' (overdrive) light started flashing off and on for a short period, > there was definite hesitation in acceleration, and my speedometer > stopped working as well as my interior light when I tried to turn it on. > EVERYTHING was operating perfectly beforehand, and the 'Sears' guys > didn't seem to have a clue when I drove it back to question this > situation. Now my Truck hesitates big time like it's stuck in gear or > something, and I'm sure this was not a coincidence, WHAT HAPPENED??? > Someone told me about 'codes' being reset or somthing......WHAT??? I had the same problem. Dirt and metal particles effected the Hall-effect speed sensors. When the computer gets conflicting information from these sensors it may first try to engage the wheels but will shut the system down and flash the 4WD/4WD- Lo or 'o/d' flashes to indicate the problem and refuse to upshift. The system is also reset by disconnecting the battery. BTW, the Service Manual is about $300. Just sold it at Ebay so can't tell you how to un-reset it. It will help to cycle the key of in between tapping on the speed sensor so the module will reset and stop flashing the lights. Remember to use a nine-volt battery and diode in place of the battery when swapping batteries. Or a 16v 24,000-uF or higher capacitor will also do for a quick swap. -- Squareman |
#4
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When the truck was new all the numbers in the computer were set to factory standard. The computer is supposed to change the numbers as the truck ages to compensate for some wear and still give peak efficiency and low emissions. When you shut off the truck the battery keeps the memory alive, just like the battery in your computer keeps the date and type of disk drive alive in memory. But on a car if you disconnect the battery the numbers are lost and get set back to the factory defaults which are burned into special memory. Usually the manual says if you drive the car 20 miles after reconnecting the battery the computer will build up new numbers again and the engine will run smoothly. I don't know if that's still true for all numbers on all cars. -- ------------------------------------------------------------------------------ William R Watt National Capital FreeNet Ottawa's free community network homepage: www.ncf.ca/~ag384/top.htm warning: non-FreeNet email must have "notspam" in subject or it's returned |
#5
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"Vic Martinez" > wrote in message ... > Help! I Had a 'Diehard' Battery installed last night in my 98' Ford > Ranger automatic, however, when I started to drive off after service was > completed and paid for, my truck wouldn't get out of first 'gear', my > 'o/d' (overdrive) light started flashing off and on for a short period, > there was definite hesitation in acceleration, and my speedometer > stopped working as well as my interior light when I tried to turn it on. > EVERYTHING was operating perfectly beforehand, and the 'Sears' guys > didn't seem to have a clue when I drove it back to question this > situation. Now my Truck hesitates big time like it's stuck in gear or > something, and I'm sure this was not a coincidence, WHAT HAPPENED??? > Someone told me about 'codes' being reset or somthing......WHAT??? > Try what Watt says: just drive it a bit as you usually do. The computer should soon "relearn" your driving habits & operate the vehicle correctly once again. HTH & good luck. s |
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