Pinging 3.0
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Freshman User
Joined: Jun 2003
Posts: 33
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From: Lancaster, CA
Pinging 3.0
My 2000 3.0 5spd (Flex Fuel) has been pinging like crazy! I have read in the past some fixes for this...does anyone know where to locate these past conversations? (Or have some ideas to try and fix it?) Any help is greatly appreciated!!!
Postmaster
Joined: Jan 2003
Posts: 4,417
Likes: 3
From: Durham, NC
When Rockledge was moderator of the 3.0L forum, he put together some
great technical threads.
Here is the URL, he has a section just on pinging:
https://www.ford-trucks.com/forums/s...d.php?t=131256
great technical threads.
Here is the URL, he has a section just on pinging:
https://www.ford-trucks.com/forums/s...d.php?t=131256
Postmaster
Joined: Jan 2003
Posts: 4,417
Likes: 3
From: Durham, NC
Originally Posted by Alan D.
What actually is the pinging from, the valves?
banging on the valves, piston top, and the rest of the combustion chamber.
The higher the fuel octane rating, the less susceptible it is to pinging.
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Elder User
Joined: Oct 2003
Posts: 827
Likes: 0
From: Seattle
I've been posting time and time again about this problem in my 3.0 and I've never gotten a satisfactory solution to it.
I have yet to do the Seafoam treatment, but I have replaced the PCV, tested the EGR system, cleaned the MAF, run 92 octane in it, and replaced those crummy Bosch plugs with some Autolite double platinums.
Of all of that, only a few things seem to have helped - replacing the crappy Bosch plugs and replacing the PCV valve.
BTW: On the 2000 3.0 EFI non-FFV engine, what hose would you use to insert the Seafoam? I looked at that engine and couldn't find anything I'd want to use. Could I use the PCV valve hose?
I feel for your pain here, it sucks having the engine ping so damn much, but there are a few things to look at that I will try next - the Oxygen sensor and the DPFE sensors/EGR valves.
I have yet to do the Seafoam treatment, but I have replaced the PCV, tested the EGR system, cleaned the MAF, run 92 octane in it, and replaced those crummy Bosch plugs with some Autolite double platinums.
Of all of that, only a few things seem to have helped - replacing the crappy Bosch plugs and replacing the PCV valve.
BTW: On the 2000 3.0 EFI non-FFV engine, what hose would you use to insert the Seafoam? I looked at that engine and couldn't find anything I'd want to use. Could I use the PCV valve hose?
I feel for your pain here, it sucks having the engine ping so damn much, but there are a few things to look at that I will try next - the Oxygen sensor and the DPFE sensors/EGR valves.
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Elder User
Joined: Oct 2003
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From: Seattle
Originally Posted by Alan D.
ok thanks. does it mean you gas mileage is taking a dump.
Elder User
Joined: Oct 2003
Posts: 827
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From: Seattle
Yes pinging does hurt things. Its hard on the pistons, valves, spark plugs, and totally robs your vehicle of power.
Its not something you want to happen on a consistent basis. Remember that pinging is the fuel/air mixture igniting before the proper time and therefore the pressure in the cylinders will be elevated at the wrong times. That pressure can damage anything in the chamber - can damage it, doesn't mean it will. Personally I don't want to take the chance with my truck - since it's the only one I got and I simply can't afford to take on a new vehicle payment at this time.
Its not something you want to happen on a consistent basis. Remember that pinging is the fuel/air mixture igniting before the proper time and therefore the pressure in the cylinders will be elevated at the wrong times. That pressure can damage anything in the chamber - can damage it, doesn't mean it will. Personally I don't want to take the chance with my truck - since it's the only one I got and I simply can't afford to take on a new vehicle payment at this time.
Post Fiend
Joined: Feb 2003
Posts: 6,940
Likes: 2
From: Eastern WA
Originally Posted by Alan D.
What actually is the pinging from, the valves?
Excessive carbon buildup can result in preignition of the gas/air mixture. This results in a flamefront that collides with the flamefront created when the spark plug ignites the mixture at another point in the combustion chamber. When these two flamefronts meet, you get a noise which is your engine ping (aka, knock). Furthermore, lean mixtures burn hotter than rich mixtures; a lean mixture results in higher combustion chamber temps that encourage carbon buildup to cause preignition. Severe (keyword) and persistant pinging, left uncorrected, can result in engine damage including holes in pistons.