Can't hurt to change your coolant, but it won't touch the ping problem.
I'm going to do mine in a couple weeks, about the same mileage as yours.
When I topped mine off after installing the new thermostat I used regular
Prestone.
David D. wrote on Sunday 20 May 2001 22:14:
> I looked down inside the intake.Does not appear to have a blown belly pan
> gasket.
>
> Also on another note,will it hurt to change my coolant at 32-33,000 miles?
>
> Any preferences on coolant types?
>
>
>>From: Andy Levy <andylevy@yahoo.com>
>>Reply-To: dakota-truck@buffnet.net
>>To: dakota-truck-moderator@bent.twistedbits.net
>>Subject: Re: DML: Dak now pings on 89 octane,sometimes 90 too
>>Date: Sun, 20 May 2001 11:25:04 -0400
>>
>>Changing brands can definitely help, but be aware that often the same
>>truck will stop at several different stations, so you may end up with the
>>same gas.
>>
>>Which plugs are you running?
>>
>>Have you run a bottle of Techron through recently? That may help.
>>
>>David D. wrote on Sunday 20 May 2001 11:13:
>>
>> > I'm going to look down into the TBI for a bad Belly Pan Gasket.
>> > Been running Phillips 66 89 octane & 90 Octane.
>> > Should i switch to Citgo,and see if it makes a difference?
>> >
>> > (can switching brands actually make a difference?)
>> >
>> > Now i only hear the pinging under acceleration,IF the right passenger
>> > window is down,and the CD is not playing.Otherwise i cant hear it,and
>>i'm
>> > still getting 23 mpg on the Interstate @ 60.
>> >
>> > I just turned 29,000.Plug wires havent been changed yet.Plugs were
>>changed
>> > out at 19,000.
>> >
>> > Anyone got any ideas??
>> >
>> > about 2 tanks ago,i ran a bottle of 104+ through the tank.It really
>> > gave me more power.
>> >
>> >
>> >>From: "Steve Wilson" <s2wilson@bellsouth.net>
>> >>Reply-To: dakota-truck@buffnet.net
>> >>To: dakota-truck-moderator@bent.twistedbits.net
>> >>Subject: DML: 3.9 missing and skipping
>> >>Date: Fri, 18 May 2001 21:41:19 -0400
>> >>
>> >>My 95 3.9 started missing and skipping a while back. The code was 14,
>>map
>> >>sensor. Bought a new sensor from autozone, nothing changed. I traced
>> >>the wires and found no broken wires. I took it to a dealer, the
>> >>mechanic
>>told
>> >>me
>> >>that aftermarket sensors were no good. Said he bet his clothes that the
>> >>new sensor was bad, and I needed to get a Mopar map sensor. I bought a
>>new
>> >>sensor, new plugs and wires, and a new EGR valve. I've taken the
>>throttle
>> >>body off, cleaned it thoroughly, sprayed carb cleaner through all the
>> >>holes to make sure they were clear, installed a new gasket . Still no
>> >>change.
>> >>Still shows code 14. I've got 19.5 inches of vacuum at the Map sensor
>>and
>> >>I've traced the wires and they all check out good. I did clear the
>> >>codes after each thing I did. Any one have any suggestions?
>> >>
>> >>
>> >>
>> >>
>> >
>> >
>> > Digger
>> > 00'QC,SLT+,3.9 R/T,42RE,3.55,K&N "Home-Brew" Intake
>> > Dynomax Super Turbo,Mobil 1 10w30,Mobil 1 Filter
>> > List Moderator: "DodgeDakotaQuadCab@egroups.com"
>> >
>> > _________________________________________________________________
>> > Get your FREE download of MSN Explorer at http://explorer.msn.com
>> >
>> >
>>
>>--
>>-andy
>>
>>http://home.twcny.rr.com/andylevy/ --- andylevy@yahoo.com
>>-------------------------------------------------------------
>>modesty, n.:
>> Being comfortable that others will discover your greatness
>>-------------------------------------------------------------
>
>
> Digger
> 00'QC,SLT+,3.9 R/T,42RE,3.55,K&N "Home-Brew" Intake
> Dynomax Super Turbo,Mobil 1 10w30,Mobil 1 Filter
> List Moderator: "DodgeDakotaQuadCab@egroups.com"
>
> _________________________________________________________________
> Get your FREE download of MSN Explorer at http://explorer.msn.com
>
>
-- -andyhttp://home.twcny.rr.com/andylevy/ --- andylevy@yahoo.com ------------------------------------------------------------- modesty, n.: Being comfortable that others will discover your greatness -------------------------------------------------------------
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