Pinging!!!
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New User
Joined: Jul 2003
Posts: 1
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Pinging!!!
HELLO ALL!
I NEED HELP!I OWN A 1989F250 460CID 4 X 4 TRUCK.I HAD TO CHANGE THE ENGINE WITH A MOTORCRAFT LONGBLOCK ENGINE. EVER SINCE THEN MY TRUCK DROPS POWER DRIVING UPHILL AND IS PINGING PRETTY BADLY.I WENT WITH SUPER UNLEADED AND IT MADE A LITTLE DIFFERENCE.I RETARDED MY TIMING TO BASICALLY TDC AND I STILL GET THE PINGING NOISE.IT SEEMS TO RUN MUCH BETTER WHEN THE ENGINE IS COLD.SOON AS THE TEMP RISES IT STARTS IDLING ROUGHER AND THE PINGING IS MUCH MORE NOTICESABLE.I DONT WANT TO SPENT HUNDREDS OF DOLLARS AND REPLACE PARTS I DONT HAVE TO.COULD SOMEBODY GIVE ME ANY IDEAS.I AM DESPERATE.
SINCERELY
F250WOLF
I NEED HELP!I OWN A 1989F250 460CID 4 X 4 TRUCK.I HAD TO CHANGE THE ENGINE WITH A MOTORCRAFT LONGBLOCK ENGINE. EVER SINCE THEN MY TRUCK DROPS POWER DRIVING UPHILL AND IS PINGING PRETTY BADLY.I WENT WITH SUPER UNLEADED AND IT MADE A LITTLE DIFFERENCE.I RETARDED MY TIMING TO BASICALLY TDC AND I STILL GET THE PINGING NOISE.IT SEEMS TO RUN MUCH BETTER WHEN THE ENGINE IS COLD.SOON AS THE TEMP RISES IT STARTS IDLING ROUGHER AND THE PINGING IS MUCH MORE NOTICESABLE.I DONT WANT TO SPENT HUNDREDS OF DOLLARS AND REPLACE PARTS I DONT HAVE TO.COULD SOMEBODY GIVE ME ANY IDEAS.I AM DESPERATE.
SINCERELY
F250WOLF
Senior User
Joined: May 2003
Posts: 203
Likes: 0
From: San Diego
Pinging!!!
Your EGR valve injects exhaust gas into the throttle body to lower combustion temperature which prevents detonation, or pinging. Make sure your timing is set properly and then check the egr valve for proper operation.
Regards, Robert.
Regards, Robert.
