Are my injectors bad? Poor fuel economy - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 06-09-2014, 01:56 AM Thread Starter
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Unhappy Are my injectors bad? Poor fuel economy

Hey yall i have a 2002 7.3 f250 i have it straight piped, with an 8" lift, on 35's. I just put in a new terminator high pressure pump and procomp ES9000 shocks. I am getting around 9mpg and i cannot figure out why. I know the lift and tires hurt my mpg but it shouldnt hurt it that bad. My rpms dont hang and i can blow a little smoke if i hammer it. I drive my truck super slow and do not accelerate fast. The only thing i can think of is that the injectors could be bad? Please help!!!
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post #2 of 6 Old 06-09-2014, 03:25 AM
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Is the speedo and odometer corrected for the 35s?

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post #3 of 6 Old 06-09-2014, 01:17 PM
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Are you running stock injectors?
How man miles on the injectors?

Excursion 02 4x4 Silverline exaust superchip tuner

Excursion 2000 4x4 300K miles 238/100 P.I.S. Injectors 38RW/ billet wheel dyno proven tunes

99 F350 7.3 4x4 body build date 02/98 motor build date 12/97 19.5 ricksons (Sold)
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post #4 of 6 Old 06-09-2014, 09:53 PM Thread Starter
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Stock injectors and the speedo doesnt bounce :p i cannot figure this out for the life of me. I try to drive under the speed linit just to get around 12 mpg
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post #5 of 6 Old 06-09-2014, 09:53 PM Thread Starter
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The speedo doesnt bounce and j believe they are stock injectors. They have 135k on them
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post #6 of 6 Old 06-12-2014, 12:10 AM
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What gear ratio does the truck have?

Excursion 02 4x4 Silverline exaust superchip tuner

Excursion 2000 4x4 300K miles 238/100 P.I.S. Injectors 38RW/ billet wheel dyno proven tunes

99 F350 7.3 4x4 body build date 02/98 motor build date 12/97 19.5 ricksons (Sold)
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35's , injectors , lift , mpg , mpg loss

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