Replaced fuel pump after car sat, will not idle correctly

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Old Oct 15, 2007 | 02:12 PM
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crxricer66's Avatar
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Default plz help :(

i replaced a fuel pump in a 88 crx hf that had sat for a year. it starts but will not idle and is running on two cylinders. it sounds less meaner then a lawn mower. i pulled the spark plugs out and the two cylinders on the left side are not getting fuel. if i leave them two spark plugs completely out then the car idles fine and it seems to run better. dont ask y i did this, long story. any help appreciated.
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Old Oct 16, 2007 | 01:12 PM
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Replaced the filters too?

Take out the fuel rail, and use some zip-ties to keep the injectors in the fuel rail.

Crank the car, and see if the injectors actually fire.

If they don't, it's merely a matter of replacing them, or having them cleaned. ($20 bucks a piece to clean)

Sounds scary, but the rail is only held on by 3 bolts, and the injectors you can just take out by hand.
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Old Oct 16, 2007 | 02:51 PM
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Default Re: (SETI20)

yes replaced filters and i took fuel rail off and the injectors r firing they are firing but no fuel comeing out. i noticed sumtimes wen i turn the key to on the fuel pump doesnt always prime. i think thats main relay bcuz i flick the main relay a few times and it will prime.i put a pump in from an 88 crx dx, do they have different pressures?? mpfi vs. dpfi i thought they were all the same. thx
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Old Oct 16, 2007 | 05:08 PM
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Default Re: (crxricer66)

plz help guys i realy need to get this goin
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Old Oct 16, 2007 | 09:16 PM
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If some of them are firing, but not all of them, it's likely that the other ones have gone...

INjectors have their own filters that can clog up.
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