I hate my programer
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Joined: Aug 2005
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I hate my programer
Hi i have the diablo preditor programer. i instaled the 87 octane tune and now it pings at 55 mph. i tried to retard the timing and it is not helping?? I am so upset. it a new truck and i do not want to hurt the motor. so i put the stock setting in and it is ok now. What can i do to fix this??? i called diablo and was on hold for 30 minutes and then hung up. PLease help.
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Joined: Sep 2004
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Yeah, the DP sure is not the easiest to use. The documentation is lame. Very precise, but not the same choices as the screen presents. The book must be two or three models out of date.
I put 87 octane back in my truck, I have been running the 93 octane tune, backed off five degrees as I can only buy 91 octane gas.
It worked great on the 91 setting but I put 87 in and it pinged, as I would expect.
So I tried backing the timing back, but it still pinged.
The manual says you can back down the timing alone to allow it to run on the 87.
No joy.
So I put in the 87 tune and it still pinged. That is on a 60% 91 / 40% 87 mix of fuel.
So I went into options and chose reset all options.
I then put the shifts back to the 100 position, and lowered my shift RPM ranges to 5000.
No ping, shifts pretty good, but I do miss the higher power.
I will probably go back next tank to premium. The extra 'snap' is too addictive.
Chris
I put 87 octane back in my truck, I have been running the 93 octane tune, backed off five degrees as I can only buy 91 octane gas.
It worked great on the 91 setting but I put 87 in and it pinged, as I would expect.
So I tried backing the timing back, but it still pinged.
The manual says you can back down the timing alone to allow it to run on the 87.
No joy.
So I put in the 87 tune and it still pinged. That is on a 60% 91 / 40% 87 mix of fuel.
So I went into options and chose reset all options.
I then put the shifts back to the 100 position, and lowered my shift RPM ranges to 5000.
No ping, shifts pretty good, but I do miss the higher power.
I will probably go back next tank to premium. The extra 'snap' is too addictive.
Chris
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Joined: Jun 2004
Posts: 13
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Hypertech tuner pinging fix
chrisadams
just so you know i installed a hypertech 87 octane tune to my truck and got pinging, i was using am/pm gas because it was the cheapest, so a friend told me that am/pm's 87 octane gas rarley came in at 87 octane levels, so i switch to shell 87 octane gas and my pinging has complete stop. i now only use shell gas or mobil, cheveron, 76. am/pm was only saving me .04 cents a gallon but i figured the future damage cause by the pinging would cost alot more.
try using a brand name 87 octane gas and see if it helps. that is what worked for me.
just so you know i installed a hypertech 87 octane tune to my truck and got pinging, i was using am/pm gas because it was the cheapest, so a friend told me that am/pm's 87 octane gas rarley came in at 87 octane levels, so i switch to shell 87 octane gas and my pinging has complete stop. i now only use shell gas or mobil, cheveron, 76. am/pm was only saving me .04 cents a gallon but i figured the future damage cause by the pinging would cost alot more.
try using a brand name 87 octane gas and see if it helps. that is what worked for me.
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Joined: Sep 2004
Posts: 1,393
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Originally Posted by cesardajr
chrisadams
just so you know i installed a hypertech 87 octane tune to my truck and got pinging, i was using am/pm gas because it was the cheapest, so a friend told me that am/pm's 87 octane gas rarley came in at 87 octane levels, so i switch to shell 87 octane gas and my pinging has complete stop. i now only use shell gas or mobil, cheveron, 76. am/pm was only saving me .04 cents a gallon but i figured the future damage cause by the pinging would cost alot more.
try using a brand name 87 octane gas and see if it helps. that is what worked for me.
just so you know i installed a hypertech 87 octane tune to my truck and got pinging, i was using am/pm gas because it was the cheapest, so a friend told me that am/pm's 87 octane gas rarley came in at 87 octane levels, so i switch to shell 87 octane gas and my pinging has complete stop. i now only use shell gas or mobil, cheveron, 76. am/pm was only saving me .04 cents a gallon but i figured the future damage cause by the pinging would cost alot more.
try using a brand name 87 octane gas and see if it helps. that is what worked for me.
It wasn't the gas, it's the rather strange settings on the DP. Just back from vacation, and I will be messing with it soon.
Chris
