This is topic How to cure pinging? in forum Tech Talk at Northern California Ford Owners  .


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Posted by 5.8L 2b (Member # 786) on :
 
I have a '95 gt with heads, cam, intake, 24lb. injectors, 190lph. fuel pump, and it pings alot, even worse in hot weather. Besides timing what else could be causing it to ping? Thanks.
 
Posted by HungryHippo (Member # 537) on :
 
try an adjustable fuel pressure regulator and set it between 42-44psi with the vacuum hose off
 
Posted by Mean2001GT (Member # 1750) on :
 
a fuel regulator would probably do the trick. but it also could be running too hot, maybe some water wetter or low temp thromostat
 
Posted by st5150 (Member # 51) on :
 
The number one cause of pinging is too much timing advance for your combo [Smile] What is your base timing set at?
 
Posted by 5.8L 2b (Member # 786) on :
 
I have an adjustable fuel pressure regulator, set at 39.

And I haven't checked the timing lately but it should be set at 13.
 
Posted by richard90stang (Member # 91) on :
 
Get a custom chip burned. That byron chip made wonders on my 95 GT after the heads, cam, intake, etc. install. My car would ping like crazy, and after I took it to apex my shit ran cherry [Wink]
 
Posted by 5.8L 2b (Member # 786) on :
 
quote:
Originally posted by Mean2001GT:
a fuel regulator would probably do the trick. but it also could be running too hot, maybe some water wetter or low temp thromostat
I don't think it is running too hot, I have a fluidyne radiator, and th gauge is usually between the "N" and the "O"
 
Posted by richard90stang (Member # 91) on :
 
BYRON CHIP FROM APEX
 
Posted by 5.8L 2b (Member # 786) on :
 
And the fuel pressure is set between 35 and 40, how do I increase it?
 
Posted by HungryHippo (Member # 537) on :
 
set your timing to 10* and see if it still happens.

if that doesnt work... to increase fp, tighten the adjuster on top of the regulator. try 1/4 turn and see if it helps.
 
Posted by sskiller (Member # 1564) on :
 
Octane? I also read in 5.0 that some cars just ping and there isn't really a cure.

[ September 09, 2002, 05:07 PM: Message edited by: sskiller ]
 
Posted by 5.8L 2b (Member # 786) on :
 
quote:
Originally posted by HungryHippo:
set your timing to 10* and see if it still happens.

if that doesnt work... to increase fp, tighten the adjuster on top of the regulator. try 1/4 turn and see if it helps.
Is the adjuster the screw? When I turn that it doesn't do anything, the fuel pressure doesn't change.
 
Posted by st5150 (Member # 51) on :
 
a malfunctioning EGR system can also cause pinging. A custom chip will solve your problem tohugh since it will remove advance only from the part of the RPM band where you're pinging.
 
Posted by 5.8L 2b (Member # 786) on :
 
quote:
Originally posted by st5150:
a malfunctioning EGR system can also cause pinging. A custom chip will solve your problem tohugh since it will remove advance only from the part of the RPM band where you're pinging.
I know the custom chip would work but I holding that off until the new engine.
 
Posted by st5150 (Member # 51) on :
 
Then just lower your base timing until you get your new motor. Simple yet effective fix [patriot]
 
Posted by 5.8L 2b (Member # 786) on :
 
quote:
Originally posted by st5150:
Then just lower your base timing until you get your new motor. Simple yet effective fix [patriot]
I'll try that. Is there a way I can do it without a timing light?
 
Posted by st5150 (Member # 51) on :
 
If you gotta ask, I highly recomend just finding a buddy who has a timing light in their garage.
 
Posted by sic91sleeper (Member # 779) on :
 
Kevin call me and we can fix your car.
 
Posted by 5.8L 2b (Member # 786) on :
 
quote:
Originally posted by sic91sleeper:
Kevin call me and we can fix your car.
Yeah, I will when I get time, but I have school and work pretty much everyday.
 
Posted by Snake98Girl (Member # 452) on :
 
I have (2) Autologic chips for sale $100 each... [Smile]
 
Posted by 5.8L 2b (Member # 786) on :
 
quote:
Originally posted by Snake98Girl:
I have (2) Autologic chips for sale $100 each... [Smile]
Check PM's
 
Posted by sic91sleeper (Member # 779) on :
 
Same here Fiday Saturday and Sundays are good for me.
 
Posted by SVTKate (Member # 1823) on :
 
This may be way out of line.. but have you cleaned your mass air flow sensor ?
It took MONTHS of troubleshooting my 95 GT to find what was causing the pinging and coughing.. I replaced the sensor, and it was incredible, like Jeykle & Hyde. Now I clean mine about every 6 months. Alcohol and a Q-Tip.. gently.
 
Posted by 5.8L 2b (Member # 786) on :
 
quote:
Originally posted by HungryHippo:
try an adjustable fuel pressure regulator and set it between 42-44psi with the vacuum hose off
I had another question. I was trying to get the fuel pressure up and the only time it went up is when I took the vacuum hose off. What does the vacuum hose do?
 
Posted by 5.8L 2b (Member # 786) on :
 
Oh, BTW, the car still pings with the higher fuel pressure. I am going to set back the timing when I change the plugs. And after that I am getting full MSD.
 
Posted by MRBiggs (Member # 513) on :
 
quote:
Originally posted by SVTKate:
This may be way out of line.. but have you cleaned your mass air flow sensor ?
It took MONTHS of troubleshooting my 95 GT to find what was causing the pinging and coughing.. I replaced the sensor, and it was incredible, like Jeykle & Hyde. Now I clean mine about every 6 months. Alcohol and a Q-Tip.. gently.
Thats not out of line at all....
I was reading this thread to see if anyone would mention this.
If you have a CAI or just a K&N filter try taking the MAS apart and cleaning it with a q-tip with a little rubbing alcohol on it. Just rub it very gently until you can see the metallic finish on the wire inside. Sounds crazy but it works.
My car did the same thing as yours for over a year until I tried this little simple fix on advice from a mechanic friend. So far it has worked for me and just about everybody else I advised. And the ones it didn't totally work for, it at least made the driveability better overall.
Try it before you throw your entire wallet at the car.
Also when you get ready to check your timing check the harmonic balancer and see if its coming apart. Thats a big problem for our cars at this stage in life and it will cause pinging as well.
 
Posted by 5.8L 2b (Member # 786) on :
 
quote:
Originally posted by MRBiggs:
quote:
Originally posted by SVTKate:
This may be way out of line.. but have you cleaned your mass air flow sensor ?
It took MONTHS of troubleshooting my 95 GT to find what was causing the pinging and coughing.. I replaced the sensor, and it was incredible, like Jeykle & Hyde. Now I clean mine about every 6 months. Alcohol and a Q-Tip.. gently.
Thats not out of line at all....
I was reading this thread to see if anyone would mention this.
If you have a CAI or just a K&N filter try taking the MAS apart and cleaning it with a q-tip with a little rubbing alcohol on it. Just rub it very gently until you can see the metallic finish on the wire inside. Sounds crazy but it works.
My car did the same thing as yours for over a year until I tried this little simple fix on advice from a mechanic friend. So far it has worked for me and just about everybody else I advised. And the ones it didn't totally work for, it at least made the driveability better overall.
Try it before you throw your entire wallet at the car.
Also when you get ready to check your timing check the harmonic balancer and see if its coming apart. Thats a big problem for our cars at this stage in life and it will cause pinging as well.
Thanks for your advice. I don't know about your car, but my car only has 37,000 miles on it.
 




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