10% Ethanol & Ping ?
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Laughing Gas
Joined: Nov 2003
Posts: 794
Likes: 3
10% Ethanol & Ping ?
My 97 4x4 4.6L has been pinging since about 180,000 miles... when it started I switched to 93 octane and the pinging disappeared. Recently it has occurred even w/ the 93 under really heavy load... I had a half full tank of 93 and filled up w/ 87 the other day and it's pinging like crazy and my regular gas station has recently posted signs (UP TO 10% ETHANOL ADDED) I'm just curious how much if any the ethanol might be messing with my truck...
I want to cure the pings it's starting to bother me...
The
Fuel Filter is fresh
The Air Filter is fresh...
where do I go from there? I also have a code "Lean on Bank 1, Lean on Bank 2"
Please list the procedure for doing whatever it is ya'll recommend...
Thanks for the advice.
I want to cure the pings it's starting to bother me...
The
Fuel Filter is fresh
The Air Filter is fresh...
where do I go from there? I also have a code "Lean on Bank 1, Lean on Bank 2"
Please list the procedure for doing whatever it is ya'll recommend...
Thanks for the advice.
Cargo Master
Joined: Aug 2000
Posts: 2,931
Likes: 12
From: SW Michigan
ethanol ain't yer problem
Z, ethanol has an octane rating of 120 or so. It isn't going to cuase pinging. If you're getting a lean code, are you sure your O2 sensor is functioning correctly ? For what ever reason, you're not getting enough fuel. DinosaurFan
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Laughing Gas
Joined: Nov 2003
Posts: 794
Likes: 3
I have no clue if my O2 sensors are functioning correctly... I have considered replacing them but have been timid about doing it since they're approx 70 bucks each... Could that help, I don't want to waste the 150 bucks if it's not going to help... Any tips for replacing them?
Senior User
Joined: Sep 2007
Posts: 499
Likes: 0
Get your codes pulled. Lots of the mod motors get problems with the MAF sensor. Back when I had a 1994 4.6 HO, when I first got it, it was running lean/pinging. Everyone on the Thunderbird site said 'MAF Sensor'. $100 later, it was running perfect.
.... Then I found out you could just clean them. But, I'm sure cleaning doesn't always work. It's like this, if you can unplug the MAF and it actually runs somewhat BETTER, you have a bad MAF.
.... Then I found out you could just clean them. But, I'm sure cleaning doesn't always work. It's like this, if you can unplug the MAF and it actually runs somewhat BETTER, you have a bad MAF.
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Posting Guru
Joined: Oct 2003
Posts: 1,332
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From: Baltimore
Something else you might want to do is check the vacuum hoses for cracks or splits, especially the PCV hose.
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Laughing Gas
Joined: Dec 2007
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From: Imperial, MO
Junior User
Joined: May 2006
Posts: 73
Likes: 0
From: Tucson
It is definately not the ethanol all it does is add oxygen to the fuel and you might sell less mpg but , I thought you could tell it was the maf on idle. But who am I to say I am running lean since I put the 4.6l intake manifold on the 5.4l upgrade engine. I used the adapter plates.
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