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Old 03-06-2017, 10:41 AM   #21
Bradg
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2004 VUE Red Line
Default Re: 2004 Vue red line misfire frustration

Vacuum numbers were well within specs of 17-20. Yep. Only codes are misfire.

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Old 03-07-2017, 03:30 PM   #22
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2004 VUE Red Line
Default Re: 2004 Vue red line misfire frustration

Hey Grumpy. I picked up a meter that would read mega ohms and checked out that crank sensor. Here's what I got.

Pin 1+ to 3-= no reading
Pin 1- to 3+= 11.8
Pin 1+ to 2- = no reading
Pin 1- to 2+= no reading
Pin 2+ to 3- = no reading
Pin 2- to 3+ = 13.72

This was on both sets of pins. Let me know what you think. It's a lot different than what you posted. Thanks.

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Old 03-08-2017, 10:26 AM   #23
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2005 VUE 3.5L
2007 VUE 3.5L
Default Re: 2004 Vue red line misfire frustration

Quote:
Originally Posted by Bradg View Post
Hey Grumpy. I picked up a meter that would read mega ohms and checked out that crank sensor. Here's what I got.

Pin 1+ to 3-= no reading
Pin 1- to 3+= 11.8
Pin 1+ to 2- = no reading
Pin 1- to 2+= no reading
Pin 2+ to 3- = no reading
Pin 2- to 3+ = 13.72

This was on both sets of pins. Let me know what you think. It's a lot different than what you posted. Thanks.
I'm not sure you have bad CKP sensor - there are meter differences for sure but I also recall your engine starts and runs - plus your PCM does not have any of several CKP sensor fail codes set.

I'll post my fuel metering response here in case it could be helpful to others in years to come:

Here is FSM extract describing fuel metering system:

The function of the fuel metering system is deliver the correct amount of fuel to the engine under all operating conditions. Fuel is delivered to each cylinder by the fuel injectors. The fuel injectors are controlled sequentially by the powertrain control module (PCM). The PCM bases the control of the fuel injectors on several important engine parameters. These engine parameters include the following:

Engine speed (RPM)
Accelerator pedal position (APP)
Engine coolant temperature (ECT)
Intake air temperature (IAT)
Manifold absolute pressure (MAP)
Fuel control oxygen sensor input (HO2S 1)

See attached PDF extract for more information regarding how PCM or ECM manages fuel trim for closed loop operation.

Forum file attachment sizes prevents attaching the complete file but I can send if you (or any other member) PM's an email address.
Attached Files
File Type: pdf 04 Vue - 3.5 Fuel System.pdf (93.1 KB, 6 views)

...
I rarely visit forum but respond to private messages (PM). PM creates email to phone & please include email address with question. Avoid using Visitor Message feature ... I almost never check those.

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Old 03-11-2017, 06:03 PM   #24
Bradg
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2004 VUE Red Line
Default Re: 2004 Vue red line misfire frustration

With the help of the old Grump, problem solved. Turned out it was my cylinder 1 coil. It was setting of all of my misfire codes. I wouldn't have thought one could have thrown them all, but it did. Runs perfect. Thanks for all the help.

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