pining 4.6

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May 26, 2007 | 08:06 AM

cjharmon

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Joined: Nov 2003

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From: great falls montana

pining 4.6

I have 97 150 4wd with a 4.6 it is pinging under any kind of load.

May 26, 2007 | 03:11 PM

LxMan1

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From: Louisville,Ky.

Welcome

Could be several things. EGR not flowing properly, dirty MAF, fuel filter partially clogged, vacuum leak? These are the things I would look into first. Have you scanned it for codes yet? I would do that first.

May 28, 2007 | 08:44 PM

Johnny Langton

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From: SE Texas

Experience on my end says bad knock sensor.I've seen it alot on the '97-'98's. Check the simple stuff first though like Lxman said.
JL

May 28, 2007 | 08:56 PM

torkum

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From: Mount Juliet, TN

When have you changed your plugs? Have you ever cleaned you MAF? I would also recommend cleaning out the throttle body elbow [the 2 EGR ports].

May 29, 2007 | 07:50 PM

Beast12

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From: Sarnia, Ontario, CANADA!

I have the same problem with my 2001. I will be watching this thread closely.

-Matt

May 29, 2007 | 10:28 PM

ATC Crazy

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From: SW VA

It could also be the gas you're running. I had to switch to 89 because it would ping on 87. It still pings on 89 while accellerating uphill with a load...

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