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I have no power on injector no 6 - 2004 Cadillac CTS

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One of three things. Bad injector. bad coil. or broken wire.

Posted on Apr 01, 2015

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Posted on Jan 02, 2017

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2006 Mazda 6 3.0L. Got a misfire Cyl. #6. Replaced spark plug & coil. Still misfire. Swapped coil and same result. #6 misfire?


Could be the ignition control module (if it has a separate one, most are part of the computer now). Is it throwing any other codes, like cam or crank sensor?

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2006 wrangler x no pulse on injector #3&4, others are fine. (name them? all?)


Cud b voltage issue. Unplug them and clean contacts. Also u cud unplug computr and clean pins . Older cars have corrosion

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Fuel injectors not spraying


Bad fuel pump or relay to fuel pump or blown fuse to Main Relay or bad relay, could cause no spray from injectors.
Hope this helps.

Apr 02, 2015 | 2012 Mazda 6 i Sport Sedan 2.5L 4-cyl....

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1993 ford f150 number 5 and 8 injectors not working jump from 6 to 5 seems to change if the eec relay is bad i shouldnt get power to any injector correct or not


I think you are right if the eec relay was bad you would lose your positive power to all the injectors. have you checked all valves to see if they have positive voltage? the power train control module gives the ground to injectors does 1 and 4 work . check your circuit back to control module. check connectors and harness.

Jun 02, 2014 | 1993 Ford F150 SuperCab

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Po306 new intake gaskets smoke test compression test leak down test new plugs wires tested injectors swapped injectors checked ijjector wiring with noid still when you pull off no 6 wire it changes nothing...


Code 306 means cylinder 6 is not producing power. And as you know it takes fuel, spark, and compression at the right time to make power.
Generally, if the injector is firing at the right time the spark plug should be firing as well.
Are you sure the plug is firing ? And is it possible injector 6 has no fuel to spray ?

Sep 04, 2013 | 2001 Ford Ranger Regular Cab

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My Cherokee Laredo V6 engine have 1 cylinder not firing, checked the voltage of the wires connected to the injector and one is under voltage while the rest have the same voltage. changed the spark plug but...


The only V6 engine I could find in a Cherokee was in the mid 1980s and it was carb not fuel injected. The 4.0 straight 6 engines that were fuel injected used the same black wire for all 6 injectors to power them. Each injector has a different ground wire from the computer.
The injector in question should have the same input voltage as the others and then a ground signal on the other side when the computer commands it to open. All 6 injectors should also have the same resistance when the harness is unplugged.

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Where is the fusible link located on 2002 dodge caravan 3.3


No fuseable link.
Looks like all 6 injectors get power from the same brown and white wire.
The problem would be in the injector or the ground wire from the computer to the injector.
Usually the injector has failed.

Dec 24, 2012 | Dodge Dakota Cars & Trucks

1 Answer

Ford 2003 escape codes readed


Cauases or fault codes are not cut and dry, but here are the possible causes of codes P0316 and P0306 which are related codes.
P0316 - Engine Misfire Detected on Startup
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Engine fails to start
- Engine runs rough Possible causes - Crankshaft Position (CKP) sensor harness is open or shorted
- Crankshaft Position (CKP) sensor circuit poor electrical connection
- Faulty Crankshaft Position (CKP)
- Ignition System
- Fuel Injectors
- Running out of fuel
- Fuel Quality
- Faulty Engine Control Module (ECM) P0306 - Cylinder 6 Misfire Detected Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Lack/loss of power
- Hard start
- Engine hesitation
Possible causes - Faulty spark plug 6
- Faulty ignition coil 6
- Ignition coil 6 harness is open or shorted
- Ignition coil 6 poor electrical connection
- Clogged or faulty fuel injector 6
- Injector 6 harness is open or shorted
- Injector 6 poor electrical connection
- Improper spark plug 6
- Insufficient cylinder 6 compression
- Incorrect fuel pressure
- Intake air leak

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2002 ford escape 3.0L DTC P0305and P0306 what would you ck


P0305 - Cylinder 5 Misfire Detected
P0306 - Cylinder 6 Misfire Detected

When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, The Powertrain Control Module (PCM) or Electronic Control Module (ECM) can determine that a misfire is occurring.

When is the code detected?
- Engine Cylinder #5 and #6 is Misfiring.

Symptoms:
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/loss of power
- Hard start
- Engine hesitation

Possible Causes:
- Improper spark plug at cylinder #5 and #6
- Insufficient compression at cylinder #5 and #6
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #5 and #6
- Fuel injector #5 and #6 may be faulty
- Intake air leak at cyli

Possible Solution:
- Perform Injector Service
- Replaced Spark Plug #5 and #6
- Replaced Injector #5 and #6
- Replaced Ignition Coil #5 and #6

Hope helps.

Jan 02, 2011 | Ford Escape Cars & Trucks

1 Answer

Engine stalls #6 cylinder not fueling. Replaced fuel injector, plugs and wires. Checked compression. All good. Removed injector rail and placed #4 injector plug on #6 and injector started fueling. ...


sounds to me that you need a computer since the injector gets its signal from the computer. You can get a noid light from auto parts store to test the wire attached to the injector. The light should flicker when cranking the car. No flicker chances are you need ecm.

Oct 07, 2010 | 1995 Buick LeSabre

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