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2003 picasso 2.0d wont start mechanic says scanner reads open injector circuit ?

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Should still start on the other 3 cylinders and run with a miss
something more wrong than just one injector

Posted on May 20, 2017

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Posted on Jan 02, 2017

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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


code p 0307 is misfiring on no 7 cylinder ====causes --- engine mechanical fault ---wiring---ignition/ fuel system--injector --ECT/MAF sensor---ECM
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If it reads open circuit that means one of two things, either the wiring to the switch has become faulty or the switch itself is gone bad. I would replace the switch first, and replace the fuel filter if it hasn't been done recently too!

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Obo scanner gave me these codes p0171, p0201, p0202, p0203, p0204, p0321 and it wont start? please help i noe what the codes mean just dont noe what to go for


I will give you what the codes mean and you can then work out what to replace.
code p0171 refers to system too lean--bank 1===causes intake / exhaust leak---AIR system---MAF/VAF sensor---fuel pressure/pump---injector/s---HO2s
code p0201 refers to injector 1--circuit malfunction===causes--- wiring--injector ---ECM
code p0202 refers to injector 2 --circuit malfunction===causes --wiring---injector--ECM
code p0203efers to injector 3 --circuit malfunction===causes---wiring--- injector --ECM
code p0204 refers to injector 4 --circuit malfunction===causes ---wiring ---injector ---ECM
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Still need an answer to why my 98 explorer wont start ,started just fine 3 minutes prior spins but no start get spark compression fuel but no start if i wait a day or two it almost starts but dies qi


Check if the injectors are pulsing when cranking the engine over. Listen for the tick, or feel for the pulse with your fingertips, or buy a cheap "noid light"-an injector circuit tester- one that fits your injector harness connectors-plug it into an injector connector and crank the car. If circuit is working the noid light will be flashing.
Some anti-theft systems immobilize the injector circuit when they are activated. So you have spark, compression, and fuel to the engine, check the injector circuit.

Dec 01, 2012 | Cars & Trucks

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This 1999 dodge 1500 5.9l will start and run fine till about 1500 RPM and then misfires and pings severely. [ CHRYSLER ] Record1 -> 1998~2003 -> PCM -> ECU Information Module of year: ...


Hello.. looks like you are getting good fuel delivery. Is the fuel curve mixture on the scanner in specs? How is the timing, the timing chains on these engines will stretch and throw the timing off causing a ping and missfire -- a weak valve spring is something to consider. Also, the PCM may be faulty. I hope this helps.

Sep 27, 2011 | 1999 Dodge Ram

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Code reader says #2 cylinder coil bad. Replaced coil and all the fuel injectors. engine still has the miss and loss of power. check engine still comes on and code reader still say #2 cylinder coil or...


Try swapping the defective coil and see if the fault moves with the coil, if not you have defective circuits to the coil....When the scanner tells you a story, its only half the story....It reads faults in an entire circuit and it will identify that circuit, but maybe not the exact problem....Regards Johngee10

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1 Answer

Hi there i have a problem with one of the fuel injectors obd scanner says: injector #1 open circuit how can i trace the open or broken wire?


USE A VOLT OHM METER CHECK FOR RESISTANCE IN FUEL INJECTOR IF OPEN THERE WILL BE NO RESISTANCE READING IT WILL REMAIN 0 MEANING FUEL INJECTOR COIL WIRE IS OPEN.HAS TO BE REPLACED.

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I believe it is a injector circuit malfunction on the left cylinder ban. Might check all your connections and make sure there are no rubbed wires or bad connections to the left cylinder injectors.

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Engine idles very bad.


take an screw drive and place it over the injector and listen if it clicks , some time it does but id different than the others..

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