Mach 1 Section This section is for discussions relating to the reincarnation of the Mach 1 trimline.

question about missing

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Old Nov 16, 2008 | 12:14 PM
  #11  
rygi23's Avatar
rygi23
4th Gear Member
 
Joined: Dec 2007
Posts: 1,503
From: Maryland
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Originally Posted by cbest1223
I only have had the car for a week and was only looking at the speedo not the writing around it. lol I am going to go ahead and change the plugs today and get a code reader. I had them run it last week and it was the o2 sensors but it came back on . Just wanting to make sure it dosent say anything else. It still bucks and jumps at a crusing speed but runs perfectly fine when you stomp it. knida like when you are just barely pressing the gas. I will let you know how it comes out. Thanks for the info.
I figured that was the case. Running improper octane does damage to the cats which may well be the cause of the o2 code. One choice would be to buy a tuner, among other adjustments you can turn the sensors off. Not exactly sure if that would totally fix the problem but I'm sure it could help.
Old Nov 16, 2008 | 05:38 PM
  #12  
Mustang3GT07's Avatar
Mustang3GT07
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Joined: Mar 2007
Posts: 6,169
From: Chicago, IL
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Well you know now. I hope you run premium in that beast from now on.
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