eb 5.0 runnin rich - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
 
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post #1 of 9 (permalink) Old 08-09-05, 11:09 PM Thread Starter
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eb 5.0 runnin rich

hey guys i hace an eb 5.0 has done 170,000 k's engine is stock besides air filter and exhaust but i only get 300-350k's to a tank if i'm lucky i only put bp ultimate in it does anyone have any idea's how to fix it? i have changed all sensors already.

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post #2 of 9 (permalink) Old 08-10-05, 02:09 AM
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Re: eb 5.0 runnin rich

its a v8.us i6 ownus only get 4 - 450k's
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post #3 of 9 (permalink) Old 08-10-05, 09:52 AM Thread Starter
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Re: eb 5.0 runnin rich

my mate has one and he gets 450-500

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post #4 of 9 (permalink) Old 08-10-05, 06:06 PM
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Re: eb 5.0 runnin rich

Quote:
Originally Posted by GMKILA
hey guys i hace an eb 5.0 has done 170,000 k's engine is stock besides air filter and exhaust but i only get 300-350k's to a tank if i'm lucky i only put bp ultimate in it does anyone have any idea's how to fix it? i have changed all sensors already.
is that around town or highway milage, i get 330-350 around town and 550-570klm on the highway, thats with 4.11 diff gears and 3200rpm non lock up convertor. have some one check the condition of your oxygen sensors and all earth points , battery , block etc make sure you check the earth wire on the last intake manifold bolt near the fire wall on the passenger side this is the oxygen sensor earth. a bad earth will make the computer think the engine is lean so it will try to compensate.
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post #5 of 9 (permalink) Old 08-10-05, 06:32 PM
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Re: eb 5.0 runnin rich

If it's as stoke as you say, then that's bad.

Put the car on the rollers and have the gasses checked.
How do the plug's look?

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post #6 of 9 (permalink) Old 08-10-05, 11:38 PM Thread Starter
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Re: eb 5.0 runnin rich

thanks guys the oxy sensors are new plugs are new iridium type i'll check that earth and the car don't change much if it is freeway or cruisin arund

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post #7 of 9 (permalink) Old 08-16-05, 05:18 AM Thread Starter
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Re: eb 5.0 runnin rich

checked all earths still drinkin the juice like crazy

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post #8 of 9 (permalink) Old 08-16-05, 07:24 AM
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Re: eb 5.0 runnin rich

Quote:
Originally Posted by GMKILA
checked all earths still drinkin the juice like crazy
have you checked fuel pressure, reg may be faulty and pressure to high, faulty air flow meter or thermostate stuck open not letting engine warm up to temp required for closed lop control
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post #9 of 9 (permalink) Old 08-16-05, 08:29 PM Thread Starter
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Re: eb 5.0 runnin rich

doin it today thanks mate!

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