Question about 1996 Jeep Grand Cherokee

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When my 1996 Grand Cherokee is hooked to code reader it says Injector Circuit/open cylinder what does this mean and how do I fix it

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Check the connectors to your fuel injectors, remove each one and replug them in,often they get gunk in there and it causes this. Also remove the fuse for the injectors in the PDC (under hood) and blow it out and clean the fuse contacts if the fuse is good, then re-seat it fully. This often takes care of this problem.

Posted on Apr 24, 2015

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3 Answers

2000 Jeep Grand Cherokee Laredo 4.7 liter code reads p0307 turn the car off when I turn it back on started misfiring and sputtering and wont stay started now help


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look for low fuel pressure or ignition control module

May 31, 2016 | 2000 Jeep Grand Cherokee Laredo

1 Answer

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


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Jan 25, 2016 | Cars & Trucks

1 Answer

1999 jeep grand cherokee , po202, output driver does not respond properly


P0202 means that there is a problem in the fuel injector circuit #2. You will need to measure the wiring from the injector to the PCM for continuity and the other side for 12V (with ignition in on. Be aware that the ASD relay (auto shutdown relay) will deenergize after some seconds when the engine is not started and you will loose the 12V. Since you only have one injector code, the 12V is most probably OK. I would swap injector #2 with an other (easy to reach) injector and see if the complaint will follow to the other cylinder. If it does, then the injector is bad and need to be changed. If it doesn't, then there is a good change that the driver in the PCM is bad and the PCM needs to be changed in that case.

Dec 29, 2013 | 1996 Jeep Grand Cherokee

1 Answer

P0452 ,P0305 aurora 3.5


P0452 means fuel tank pressure sensor circuit low pressure. Possible symptoms:
- Fuel Tank Pressure Sensor harness is open or shorted
- Fuel Tank Pressure Sensor circuit poor electrical connection
- Faulty Fuel Tank Pressure Sensor
The code 0305 means cylinder 5 misfire detected. Possible symptoms:
- Faulty spark plug 5
- Clogged or faulty fuel injector 5
- Faulty ignition coil 5
- Fuel injector 5 harness is open or shorted
- Fuel injector 5 circuit poor electrical connection
- Ignition coil 5 harness is open or shorted
- Ignition coil 5 circuit poor electrical connection
- Insufficient cylinder 5 compression
- Incorrect fuel pressure
- Intake air leak

Read more: http://engine-codes.com/p0305_pontiac.html#ixzz2d8l8VHWe
Read more: http://engine-codes.com/p0452_pontiac.html#ixzz2d8kXRa8w

Aug 27, 2013 | 2001 Pontiac Grand Am SE

2 Answers

What code mean po302,,,,po135...p1705


P0302 TOYOTA - Cylinder 2 Misfire Detectedxicon.jpghttp://engine-codes.com/p0302_toyota.htmlForum CodePossible causes- Faulty spark plug 2
- Faulty ignition coil 2
- Ignition coil 2 harness is open or shorted
- Ignition coil 2 poor electrical connection
- Clogged or faulty fuel injector 2
- Injector 2 harness is open or shorted
- Injector 2 poor electrical connection
- Improper spark plug 2
- Insufficient cylinder 2 compression
- Incorrect fuel pressure
- Intake air leak
P0135 - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1xicon.jpghttp://engine-codes.com/p0135.htmlForum CodePossible causes- Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse
- Faulty Engine Control Module (ECM)
Tech notes The code means that there is a problem with the heater element circuit of the heated oxygen sensor. The Engine Control Module (ECM) monitors how long it take the sensor to warm up and start sending an adequate signal. The code means the the sensor is taking too long to warm up. Replacing the O2 Sensor 1 usually takes care of the problem
P1705 TOYOTA - Direct Clutch Speed Sensor Circuit Fault.
This is related to the sensor that gives info about the slippage rate o fthe transmisssion to the Transmission Control Module..

Jul 15, 2012 | 1996 Toyota Camry

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

I have 1996 Dodge Gran Caravan, and it gives me these codes: 27 and 43, what do they mean??


CODE 27 - Injector Control Circuit, output driver does not respond properly to the control signal

Code 27 MIL light options: OBDII
P0201 - Injector #1 Control Circuit
P0202 - Injector #2 Control Circuit
P0203 - Injector #3 Control Circuit
P0204 - Injector #4 Control Circuit
P0205 - Injector #5 Control Circuit
P0206 - Injector #6 Control Circuit

CODE 43 - Cylinder Misfire, or Ignition Primary Circuit

CODE $# MIL options: OBDII
P0300 - Multiple Cylinder Misfire
P0301 - Cylinder #1 Misfire
P0302 - Cylinder #2 Misfire
P0303 - Cylinder #3 Misfire
P0304 - Cylinder #4 Misfire
P0305 - Cylinder #5 Misfire
P0306 - Cylinder #6 Misfire
P0351 - Ignition Coil #1 Primary Circuit
P0352 - Ignition Coil #2 Primary Circuit
P0353 - Ignition Coil #3 Primary Circuit

Feb 03, 2010 | 1996 Dodge Caravan

1 Answer

I have a jeep cherokee 01 and the check engine


tinyp78 has it right if it has the check engine light on then don't run it as it will damage the catalytic converter, as well if the injector fails and exlodes the parts can go into engine and damage a valve or cylinder.

Jul 04, 2009 | 2001 Jeep Grand Cherokee

2 Answers

Have a code of p0204. What does it mean


P0204 is cylinder 4 injector circuit malfunction. Try using a fuel injector cleaner additive to your fuel. After you have used that tank of gas, reset engine ecu and see if it doesnt come back

Jun 30, 2009 | 2001 Jeep Grand Cherokee

1 Answer

My 96 v6 4.0 grand cherokee is reading these codes


douple ck all the ground wiresto engine,trans bell housing ,battery or frame/firewall look for any that may have separated from any pack of wires or broken off eyelets then thightnen all points,,.these grounds are very important to comp/injection controls and can cause a multi code problem like yours.

May 05, 2009 | 1996 Jeep Grand Cherokee

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