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post #1 of 25 (permalink) Old 10-08-02, 10:12 PM Thread Starter
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Fuel Pump

Hey guys

Went to the wrecker on the weekend to have a go at getting a fuel pump. I dropped the tank, then undid the ring clamp around the pump. The next thing my gregories manual says is "remove the black retaining ring". Try as i might, i couldnt get the thing off. anyone with any tips? does it turn, or pull off? i literally bashed the crap out of this thing with a screwdriver and had to give up, i couldnt get it off!!!

Im going to swap fuel pumps to see if it fixes my overly rich idle problem...

Thanks,

Jase

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post #2 of 25 (permalink) Old 10-09-02, 03:50 AM
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Jase,

It unscrews, but will be very tight. Don't know what model you are talking about, but it should have raised thingies all round it, and usually takes a special tool to get it off. Ask the wrecker, he might lend you one.

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post #3 of 25 (permalink) Old 10-09-02, 04:11 AM
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Question did you try...

Are you talking about the bracket that actually holds the pump motor to the cradle?

Jas.
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post #4 of 25 (permalink) Old 10-09-02, 04:35 AM
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its a bitch of a thing. i used a hammer and screw driver, it unscrews slowly anti-clockwise.
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post #5 of 25 (permalink) Old 10-09-02, 06:45 AM Thread Starter
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i bashed the shit out of it! is there any tricks? i dont think theyd lend me a tool...

thanks guys

Jase

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post #6 of 25 (permalink) Old 10-09-02, 07:06 AM
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Why do you think replacing the pump will fix an engine that is running rich at idle. The pump delivers the same amount of fuel at idle or WOT. It may be the 02 sensor.

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post #7 of 25 (permalink) Old 10-09-02, 07:08 AM Thread Starter
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why do you think its the o2 sensor - its not used until the car is hot. this only happens when cold. the car also wont rev past 2500 or so, feels like lean mixture to me.

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post #8 of 25 (permalink) Old 10-09-02, 07:14 AM
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Is the car running rich or lean? Why wont it rev past 2500, what is it doing?

When cubes aren't enough.
Blow NOS!!!
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post #9 of 25 (permalink) Old 10-09-02, 07:17 AM Thread Starter
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it just doesnt rev; i dont know how to tell if its running rich or lean. the cars done a lot of k's (345,000) and is dual fuel. my suspicion was injectors, ive swapped them. swapped map sensor. havent swapped fuel pump or coolant temperature sensor. runs rich on a cold start and blows black smoke.

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post #10 of 25 (permalink) Old 10-09-02, 07:29 AM
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Black smoke suggests it is running rich, blue smoke for oil usually. Don't know were to point you. To test the o2 sensor get a multi-meter and make a contact to the os sensor wire in the cabin near the computer. The readings should flucuate between 0v to 0.8v if it sits at a constant voltage the sensor is stuffed.

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