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Gas mileage issues

Tiny
NTC
  • MEMBER
  • FORD EXPLORER
1996 Ford Explorer XLT, 157000 kms, 4.0 ohv.

This problem has been baffling me for awhile, I have been getting what I feel to be very poor gas mileage from my explorer. The average approx mileage I am receiving is roughly 10 miles to the gallon. In the last 8 months I have had a tune-up, fuel pump replaced ( it failed on me), EGR valve replaced ( it too failed ), it has been looked at by Ford and they say it should be givng me excellent mileage ( I go roughly 300 kms on 60L of gas). I have noticed that my trans is takin time to engage in to reverse or drive ( round 5-6 secs ) and it was down in fluid roughly a month ago. Could my trans, if it is going, give me poor mileage?
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Friday, March 30th, 2007 AT 10:59 AM

6 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
I think to be that poor you would have a driveability problem. Do you get any feeling of the brakes dragging?
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Friday, March 30th, 2007 AT 12:13 PM
Tiny
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No, I do not feel like that is happening. I have had the brakes completly renewed about 10 months ago ( pads, rotors and calipers)
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Friday, March 30th, 2007 AT 2:31 PM
Tiny
MERLIN2021
  • MECHANIC
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The main sensors involved in gas mileage are 02 sensors, But you have no codes?
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Friday, March 30th, 2007 AT 4:43 PM
Tiny
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No codes at all and both O2 sensors are new. Has me very baffled. Maybe just wants to be my nemesis.
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Saturday, March 31st, 2007 AT 9:31 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Try changing the temp sensor if this is bad PCM won't go into closed loop. This is as if you were running as a cold start all the time RICH.
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+1
Saturday, March 31st, 2007 AT 9:33 PM
Tiny
CUCAMONGAN
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  • 7 POSTS
Have you checked your tire pressure?
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Tuesday, April 3rd, 2007 AT 7:02 PM

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