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What do i check too fix injector circuit 4 on cavalier 99

Injector circuit 4 don t work

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A Fuel Injector is an important part for both petrol and diesel machines. It can maintain the engine very well and give the best mileage. If there is any problem in a fuel injector then you have to change it quickly because a bad injector can damage the engine and their life. If your machine facing fuel injector problems then you can replace it with Siemens Injector(inyector siemens). This injector is of the best quality and provides more life to the machine.

Posted on Jan 23, 2019

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OBD-II Trouble Code: P0201 Cylinder 1 Injector Circuit ...

www.obd-codes.com/p0201
The symptoms for this code will likely be a misfire and a rough running ... First, using a DVOM check the resistance of the injector. ... This is for a 2003 Saab 9-3 with fault code P0201 (Cylinder 1 Injector Circuit ... If you still need help regarding the P0201 trouble code, please post your question in our FREE car repair forums.

Stuck Open Fuel Injector (how to fix) - YouTube

? 8:25
https://www.youtube.com/watch?v=jsl531-6q-A
Sep 13, 2011 - Uploaded by ScannerDanner
2001 Dodge Grand Caravan 3.3 with a #5 injector control wire shorted to ground. ... (Injector control voltage ...

2002 Chrysler 3.8 Liter Injector Code Fix p0204 - YouTube

? 4:13
https://www.youtube.com/watch?v=GX3kQloqIBw
Mar 31, 2013 - Uploaded by Mickey Smith
(P0204 Injector Circuit - Open Cylinder) This will show you what i found wrong. Your number 4 injector ...Missing: cavalier

1999 Chevy Cavalier Error code PO200 and PO200P (pending ...

forums.automotive.com > ... > General Auto Repair

Posted on Jan 25, 2016

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1 Answer

Injector number 4 is open what does that mean


It means that the solenoid circuit that controls the valve internal to the injector has an open, or incomplete circuit. This means the injector cannot fire, thus no gasoline will get into the #4 cylinder. Usually, this problem is in the injector itself and is fixed by replacing the injector. It is possible, however, for the problem to be in the wiring to the injector from the ECM. In order to avoid buying an injector only to find that the wiring is bad, you can swap the suspect injector with one from another cylinder. If the fault changes to the other cylinder, change the injector. If the fault stays with the #4 injector, check the wiring.

Nov 14, 2016 | Cars & Trucks

1 Answer

I have a 99 caviler that has a cylinder 4 misfire and a injector circuit open codes. I replaced number 4 injector and cleared the codes the codes are back and its still not running right


"circuit open" means that the entire circuit, from the computer to the injector isn't making good connection. You will need to trace the wire all the way and find the break in the wire.

May 31, 2015 | 1999 Chevrolet Cavalier

2 Answers

I have fuel but there is no power to the injectors to make them pulsate


It's a fused circuit, so check the fuse, probably under hood, labeled injector. A shorted injector can shut down the injector drive circuit, so pull off all injector connectors, make sure fuse is good, then check for power to the injectors. Injector circuit should nave hot wire anytime key is on. Has constant voltage to injectors. When the computer internally grounds the injector ground wire, the injector will pulse.

Dec 30, 2013 | 2001 Chevrolet Cavalier

1 Answer

I have fuel coming to the motor but not going in it for a 98 chevy cavalier


Check the fuse for the injectors. If you have a test light, check for power to the injectors with key on. Pull off one injector connector to check for power. 2 wires to each injector-one is the power wire and powered anytime key is on. The other is the ground wire going into the computer, where it is internally grounded for a split second to pulse the injector-fuel is then sprayed out.
If power circuit is good, test the ground circuit: clip a test light lead to the POSITIVE POST of battery. Insert tester probe into the ground terminal of injector-the one that has no power with key on. Now have someone crank the engine over: test light should be blinking.
If both tests work-steady power to injectors with key on, and blinking tester on ground terminal with engine cranking, then the injector drive circuit and the ground circuit is working.
Let me know what you find. Good luck.

Dec 11, 2013 | 2000 Chevrolet Cavalier

1 Answer

Weres the ground for injector circuit in 1996 2.4 quad 4


For fuel injection, usually the ground is inside the engine computer. The computer grounds the circuit for a split second to pulse the injectors. When key is on, the injector circuit has constant power to the injectors. When the computer grounds the circuit internally, the injector coil is energized, or pulsed.

Aug 01, 2013 | 1996 Chevrolet Cavalier

1 Answer

Po204


Well code 204 means the computer has detected a high or low resistance in the circuit for injector number 4. The problem could be in the wiring harness or the injector itself.
The resistance of the injector would be checked first.

May 10, 2013 | 2004 Ford Freestar

2 Answers

Po 271 code system to lean? How to fix


Why would you take any car to a dealership?

Never a car over 5 years old

PO271 Cylinder #4 Injector Circuit High

Take to a local repair shop

You won't have the ability to diagnose

Dec 12, 2012 | 1996 Honda Accord

1 Answer

Po205 cylinder circuit open


The evidence suggests that you do indeed have a bad fuel injector. Inspect the wiring to make sure you don't just have a poor electrical connection there - then if that looks good replace the injector.

Jan 18, 2012 | 1999 Pontiac Grand Prix

1 Answer

99 s-10 4cyl bad miss no power obd2 says open circut injector but not witch one .How do i find out?


HI. One way to check which injector has the open circuit is to use an ohm meter.
With engine off disconnect each injector at a time and put the test leads of the ohm meter on the terminals of the injector, take a reading. The 4 readings should be approx. the same.
The injector at fault will show no reading ( open circuit)
So good luck with this test
Ps if you don`t have an ohm meter they are cheap to buy. you don`t need a profesional one
john

Mar 10, 2011 | 1999 Chevrolet S-10 Pickup

1 Answer

99 tacoma


Still need the codes.
Injectors can go "bad" in a couple of different ways; all they are is an electromagneticaly controlled nozzle. When the ECU "fires" the injector, it pulses a ground circuit for 4-8 milliseconds, the electromagnet powers up, the valve at the bottom of the injector opens, and the fuel shoots out, under pressure. The wire can be bad/chafed/corodded/ The electromagnet may be weak. The nozzle may be stuck. Lots of things. But, to put in an injector for a number 4 cylinder misfire (p-0304 code) would be one of the last things that I would do.

Nov 17, 2008 | 2001 Toyota Tacoma

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