Question about 1991 Cadillac DeVille

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How to chang fule injettors - 1991 Cadillac DeVille

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You'll need to remove the upper intake and buy some fuel line tools

once the intake is off and the fuel line is disconnected there are just a few bolts that hold the line down and then every injector just pulls out

however, when ever you pull an injector you need new o-rings so only pull the ones you are going to replace

also, make sure the old o-rings come off with the injector and don't get stuck in the lower intake

Posted on May 06, 2010

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Posted on Jan 02, 2017

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then when the tank is empty replace your fule filter its on the passenger side of the car mounted on the fram under neith the car..

im thinkin this will solve the problem for sure

the reason u wanna run he cleaner through it first is cause the old fule filter will catch all the nasty **** that hasnt already cloged your fule filter in the first place then u can take it off and pop on a new one.. remember to change your fule filter every 12,000 miles most ppl have never changed the one that was on the car when they bought it.

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My battery went dead. It was 5 yrs old it was time to change it. It also went dead. Bought a new altenator and installed it. OK now. Had a problem with the engine with the engine cutting out on the highway. Put some injettor cleaner in the tank and it took about 2-3 days and it`s fine now.

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