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Changing fuel injectors

What do I need to do to change the fuel injectors myself.

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Here is the answer,follow these steps one by one please: (1)relieve fuel pressure by using a fuel pressure gauge that also has a bleeder valve on it (2)disconnect the negative battery terminal (3)remove the intake manifold service cover (4)remove air intact duct between the air cleaner housing and the throttle body gasket.also remove the throttle body spacer bolts,remove the spacer and remove thegasket.discard the old gaskets. (5)Disconnect the fuel supply and return lines from the fuel rail. 960Disconnect the vacuum hose from the fuel pressure regulator. (6)Remove the nut that attaches the fuel rail end-point bracket retainer. (7)Disconnect the electrical connectors form all 8 fuel injectors and set the fuel injector harness aside. (8)Remove the fuel rail mounting bolts. (9)Remove the fuel rail and the fuel injectors as a single assembly. (10)Remove the fuel injectors one by one,by flipping up the U-clip retainer then pulling the injector from the fuel rail. (11)Remove the old O-rings from the injectors and be sure to use new ones when installing the new injectors. (12)Also use a new gasket when installing the spacer,also use a new throttle body gasket.>>when finished start car and check for leaks.and you're done.

Posted on Jun 23, 2008

6 Suggested Answers

msbigdog7
  • 332 Answers

SOURCE: Engine bogging down after changing fuel filter and injectors

possible EGR valve it could be clogged catalytic converter

Posted on Sep 05, 2009

  • 209 Answers

SOURCE: how to change fuel injector bank one?

Yes they are i would try and change the o2 sencer first.Because it says your system is running to lean or to rich. And that 02 sencer is the problem

Posted on Apr 15, 2010

tjspear
  • 66 Answers

SOURCE: how to change fuel injector in 98 bravada

You need to relieve the fuel pressure, Gain access to the fuel rail, should be 4 or 5 bolts holding the fuel rail on... once you accessed and removed the fasteners, carefully pull up on the railon aboth sides.. a little wd may help release the injector seals, and you definitely wanna replace the lower o-rings... be careful liining the injectors up when u install the rail

Posted on Sep 14, 2009

  • 189 Answers

SOURCE: how to change a fuel injector

loosen the fuel rail,unplug the injector,and GENTLY pry it up with a screwdriver. thats all there is to it!!

Posted on May 01, 2010

coop442000
  • 187 Answers

SOURCE: 1999 GMC Savana - changed

Hi, I see you have changed a bunch of items, but do we know if the engine is getting fuel pressure? (55 psi at test port), or getting good spark? Could the spark plugs be fouled?I think before you replace too many items, you should start with basics. Good luck, Thanks...

Posted on Sep 22, 2010

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Andre, changing fuel injectors that are not faulty,damaged,leaking,etc. may not improve any performance. have checked and diagnosed by a good technician.
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http://www.howtorepairguide.com/2012/11/fuel-injector-replacing-jeep-grand.html
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