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How hard is it to replace a fuel injector? - 1997 Chevrolet Cavalier

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Relieve the fuel pressure. Unplug the injector rail wire harness. Remove the two fuel rail mounting bolts and the small screw and clip that secure the lines to the exhaust camshaft housing. Pull strait out while wiggling the fuel rail. At the top of the injector,remove the clip and unplug the electric. Remove the clip on the bottom of the rail that holds the injector in. Pull the injector strait out. Check that the O-rings are still attached to the bottom of the injector and at the top. If not, CAREFULLY.. remove them from the holes that they were mounted in.

Posted on Jul 01, 2009

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Have starting trobel do ihave lines on wrong


That's hard to say from here, I know it will take some time for the fuel to pressurize the injector system before it will start, does the system have a bleeder valve located on the injector lines? Have you checked the fuel filter and fuel pump and fuel pump fuses? Why did you change all these parts to begin with? Did you check the owner manual for a fuel pump shut off emergency switch? I hope one or some of these suggestions help, it's hard to answer your question without knowing more about the problem!

Mar 27, 2014 | 1996 Dodge Ram 3500 Club Cab

1 Answer

I own a 1990 Chevy Lumina APV 3.1, was leaving for an interview. Suddenly my gas peddle was useless. checked for fuel in tank, made sure spark was there an timing was firing, listened for fuel pump, &...


if it's a trottle body with two injectors.remove fuel pressure,Remove the air filter, remove connector from injector,remove the center pin that hold the air filter case.than remove the top injector from tbi,than pry the injector out,

Aug 02, 2013 | 1990 Chevrolet Lumina APV

1 Answer

6.0 2004 F-250 was starting hard when cold, replaced glow plugs &harness still starts hard runs rough, glow plug light stays on longer now though


time for replacement of or severe cleaning with fuelinjection cleaner..also if diesel, add cold start to the fuel system..check and replace oil filter type fuel filter since jelling of fuel may be a cold start issue..crack open an injector line and see if injector pump is pushing fuel really well..and see if air cleaner needs replaced blackened element is not good..good luck..

Jan 19, 2013 | 2004 Ford F250

1 Answer

I have a F350 diesel non- tubo with a fuel leak in back at top. replaced o ring at back injector and replaced all hose clamps but still bad runing leak. What next?


This engine has fuel lines that run to each injector from the injector pump. On the older Fords they touch each other in places. This constant vibration from the engine has caused a pin hole in one of your fuel lines to the injector. You will need to find the bad line. Can be hard as some of these are buried and hard to see. The replacement line will need to be purchased from Ford as each fuel line has to be a certain length and they are all high pressure lines. I have seen this many times in the older Fords.

Apr 05, 2012 | Cars & Trucks

1 Answer

Do not know how to check injectors on my 1990 lumina 3.1l


For engine misfiring problem check the help links mentioned below. Click the link below to go through the troubleshooting procedure :---- No pulse to injectors? http://technoanswers.blogspot.com/2012/01/no-pulse-to-injectors.html
---------How to Test and Replace Fuel Injectors? http://repairhelpcenter.blogspot.com/2011/11/how-to-test-and-replace-fuel-injectors.html
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How to Replace a Fuel Injector
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-fuel-injector.html
--------
Engine misses and truck jumps? Hard to down shift? Issue with high gear only? http://technoanswers.blogspot.in/2012/02/engine-miss-and-truck-jumps-hard-to.html

-----------
Bad miss at idle?

http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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Engine Misfire codes for car?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html
Engine Misfire codes?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html

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Misfire on cylinder 4?

http://schematicsdiagram.blogspot.com/2011/12/misfire-on-cylinder-4.html

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Oil on spark plugs and car misfires?

http://technoanswers.blogspot.in/2012/02/oil-on-spark-plugs-and-car-misfires.html

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This will help.

Thanks.

Feb 12, 2012 | 1990 Chevrolet Lumina

2 Answers

Where is the fuel injector located and how hard to replace. 2002 cadillac Deville. nodakplayer@yahoo.com


It's not that difficult to replace. You should be able to get any diagram you'll need, as well as a lot more useful information by registering for free at www.autozone.com Registration gives you free access to repair manuals and some shop manuals, most with sections that can be downloaded and printed.

Apr 20, 2011 | 2002 Cadillac Deville

1 Answer

Misfire on cylender 1 dealer says it is fuel injector 1, could be pluged up or need replaced. dont have money for dealer to fix. how hard is it to fix myself?


Actually not that hard, but it does require some tools. Normally you will find the fuel rail fastened down in some manner on top of the fuel injectors along that side of the engine. First step is to find the relief valve (looks like a tire valve), be warned that fuel will be under some pressure when you push this valve, do not do this on a hot or warm engine and put a rag around the valve to catch excess fuel.

Remove the fuel rail, then carefully unplug the wiring connector on the # 1 cylinder fuel injector. The injector should come out with a good firm tug, make sure that any O-ring has not been left inside the injector seating area. Place a single drop of oil on the new injector's O-ring and push it into place. Replace the electrical connector, then the fuel rail. Turn on the ignition, but do not start yet - check for any fuel leaks. If none, then start the engine and you should be good to go.

May 03, 2010 | 1999 Buick Regal

2 Answers

My 2001 chevy blazer (v-6, 4.3L)., has a fuel injector problem and I would like to know how to repair the number 5 injector.


You will need to remove the fuel rail bolted to the intake manifold. There maybe a clip holding on the injector. Spraying some WD-40 on the ends of the injectors to aid removal, also when installing, spray some on the O-rings, will help in installing them. Make sure all are seated.

Mar 08, 2010 | 2001 Chevrolet Blazer

1 Answer

Delay/Hard start. Fuel kit replaced twice already


bad injector... its probly plugged... the way to tell is to start it and unplug only one injector at a time good injectors slow the motor bad one doesnt

Jul 20, 2009 | 2006 Nissan Sentra

1 Answer

Hard starts in the morning even though replaced most parts


Check the power to the cold start injector. (it's only going to have fire for a few sec. after the key is turned on). If the fire is good, replace the cold start injector. This injector is activated for a few seconds when the engen temp is low to add a little fuel lower down in the intake and closer to the pistons.

May 20, 2009 | 1994 GMC Jimmy

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