Spark Plug Ping? Hypertech

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Old Mar 6, 2001 | 01:31 PM
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chuck wheet's Avatar
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From: Little Chute, Wisconsin
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With that HyperTech, did you install a different temperature thermostat? That could cause your ping problem. I have a regular cab f-150, same motor as you, and it pings when underload also. I have 51,100 miles on mine so it could be carbon, but I don't think so. I personally think it has to do with the program on the computer. What is funny is the truck will not ping when it is cold. Wouldn't it ping then to if it was octane related?
 
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Old Mar 6, 2001 | 02:31 PM
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<font face="Verdana, Arial" size="2">Originally posted by chuck wheet:
With that HyperTech, did you install a different temperature thermostat? That could cause your ping problem. I have a regular cab f-150, same motor as you, and it pings when underload also. I have 51,100 miles on mine so it could be carbon, but I don't think so. I personally think it has to do with the program on the computer. What is funny is the truck will not ping when it is cold. Wouldn't it ping then to if it was octane related? </font>
Do you have the hypertech computer program in your truck to?? Anyway You may be right chuck, so what you are saying is that the new thermostat would keep the engine cooler therefor won't ping when totally warmed up?? RIGHT... So How can I check header gaskets?? Also is pinging real bad for the engine and will it rob power??

 
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Old Mar 6, 2001 | 02:34 PM
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Why don't you go back to the stock programming. If you still get the noise, it is probably a leak. If it goes away, it is pre-ignition (ping).

The fact that improved octane made the problem mostly go away indicates that it is pinging.

In my experience an exhaust leak doesn't sound the same as pinging. Exhaust leaks sound more like a roaring noise and sometimes you can smell the exhaust in the truck. Constant pinging will trash your engine in no time.

You could also check using a tool like Autotap to check the spark retard, but that means buying the equipment.

You can also check the plugs for damage but by the time you can see damage on the electrodes you may have damaged something else.

I suspect that the pinging isn't there at startup because the computer is running a rich mixture and conservative timing which is preventing the problem.

You could try the colder thermostat which also enriches the mixture but on my last hypertech'd truck (5.8l), this caused the computer to go to open loop mode.

Ian


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5.4l, 4x4, 4.10'S
WMS Tube, Bassani Cat Back Exhaust.
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Old Mar 6, 2001 | 04:41 PM
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<font face="Verdana, Arial" size="2">Originally posted by Ian N:
Why don't you go back to the stock programming. If you still get the noise, it is probably a leak. If it goes away, it is pre-ignition (ping).

The fact that improved octane made the problem mostly go away indicates that it is pinging.

In my experience an exhaust leak doesn't sound the same as pinging. Exhaust leaks sound more like a roaring noise and sometimes you can smell the exhaust in the truck. Constant pinging will trash your engine in no time.

You could also check using a tool like Autotap to check the spark retard, but that means buying the equipment.

You can also check the plugs for damage but by the time you can see damage on the electrodes you may have damaged something else.

I suspect that the pinging isn't there at startup because the computer is running a rich mixture and conservative timing which is preventing the problem.

You could try the colder thermostat which also enriches the mixture but on my last hypertech'd truck (5.8l), this caused the computer to go to open loop mode.

Ian


</font>
Thanks Ian but I have one problem I bought the computer and didnt like what it did for the truck because it wasnt exactly that noticable at the time and I returned the bloody thing!! So now im screwed because I asked ford to reset my computer and they said once the timing is messed with its permanent, is there any way to reset my computer or is ford right??

 
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Old Mar 6, 2001 | 05:34 PM
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Oh Sh*t!

I don't know - but I suggest you put this question to Mike at Superchips. He has been a great help to me in my speedo calibration issue.

e-mail MTroyer@compuserve.com He seems to know as much about this as anyone.

I find it hard to believe that a Ford Dealer couldn't reflash the chip. After all, you could reset everything if you had the hypertech programmer.

Another choice would be to find someone in the TO area with the programmer and borrow it - anyone, anyone? Buler?

Ian



------------------
99 Expedition EB
5.4l, 4x4, 4.10'S
WMS Tube, Bassani Cat Back Exhaust.
Superchip Flipchip on Order
 
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Old Mar 7, 2001 | 12:39 AM
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Angry Spark Plug Ping? Hypertech

Its a comlicated story, well I bought a 98 f-150 flareside w/4.6L V8 with headers K&N and I added cat back exhaust. It had good power great truck but I wanted more. So I bought one of those Hypertech power programmers and programmed it went out matted it and I heard the rapid pining noise coming from the dash?? So I figured it was spark plug knock cause I had 87 Octane in it, so i went and filled up with 94. The Issue seemed to go away mostly but not fully at like 5000 RPM it makes a pinging knocking noise when under hard acceleration. Now I am also sensing that this may be headers gaskets because when I rev up in park or neutral there is no knocks or noises. Only when under load and I still have good power to so it makes me wonder. So basically if anyone can help me with any headers gasket info or spark ping please HELP the noise anoyes me plus I don't want to wreck my engine because spark knock is not good for the engine I understand. Beacause its getting worse the noise is allways there now when under load it sounds like exhaust I think its like a tick, tick, tick only when under load.

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Old Mar 7, 2001 | 03:10 AM
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disconnect the bettery for about 10 minutes. With the batt. disconnected turn the lights on to drain any residual curent.

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Old Mar 7, 2001 | 03:32 PM
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Hi regalman,

Whoever told you that at the Ford dealer was mistaken, they can easily re-flash your computer back to it's factory program for you. They'll charge you for it, but they can do it, they usually do it using the SBDS (service bay diagnostic system) that just about every Ford dealership has.

Normally what you do is have the Hypertech programmer stores the factory program inside itself, while you're using it's performance program, so you can go back and forth. So when you return a unit like you did, before you send it back, the procedure is for you to connect the programmer, and then reverse the process as per the instructions, thus re-loading your factory program back into your vehicle's computer, and the the performance program goes back into the programmer. If you didn't do that, then of course you've still got that Hypertech program in the computer, which, by the way, changes engine tuning on full-throttle only, which is why that was the only place you got detonation.

So you can go to just about any Ford dealership, and have them re-load your factory program.

Good luck!

------------------
Mike Troyer
Performance Products, Inc.
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(540) 862-9515
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Old Mar 7, 2001 | 04:01 PM
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About how much does the dealer charge to re-flash your computer?

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Old Mar 7, 2001 | 04:36 PM
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<font face="Verdana, Arial" size="2">Originally posted by Superchips_Distributor:
Hi regalman,

Whoever told you that at the Ford dealer was mistaken, they can easily re-flash your computer back to it's factory program for you. They'll charge you for it, but they can do it, they usually do it using the SBDS (service bay diagnostic system) that just about every Ford dealership has.

Normally what you do is have the Hypertech programmer stores the factory program inside itself, while you're using it's performance program, so you can go back and forth. So when you return a unit like you did, before you send it back, the procedure is for you to connect the programmer, and then reverse the process as per the instructions, thus re-loading your factory program back into your vehicle's computer, and the the performance program goes back into the programmer. If you didn't do that, then of course you've still got that Hypertech program in the computer, which, by the way, changes engine tuning on full-throttle only, which is why that was the only place you got detonation.

So you can go to just about any Ford dealership, and have them re-load your factory program.

Good luck!

</font>

I appreciate the response thank you very much. I have an update on the noise im hearing I took it to a very reputable mechanic in my area and he took it out and said that its not (ping) that it is a small headers gasket leak. Because he said for one thing that engine has a ping sensor which if it does ping its very brief because it automattically changes the timing slighltly to get rid of it. And he said that it sounds like its coming from the left side which is'nt where ping would come from. This is what ive been told so im hoping its right and i will fix he gasket and hope for the best. I like what the programmer has done for the shifting especially so i didnt want to have to go back to ford settings. So im not so worried anymore (as much). Does anyone know what the best gasket would be?? And if all 4.6 header gaskets are the same?? or do i have to figure out the manufacturer of them??

Thanks
 
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