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Old 03-19-2015, 10:10 PM   #1
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BIG PROBLEM ON PROCHARGED V6 - help

All happened after my cooling fan resistor blew. Fan wouldn't start anymore...temp got to 243F but I noticed immediately and slowly drove back home, literally happened 5 minutes from home. Left the car there for a week waiting for replacement resistor...replaced it...turned it on, fan worked...and then this. Idle was inconsistent, runs sluggish, feels choked...and when you turn it off there is still a very slight smoke coming out of the right tailpipe.

No check engine light but on my phone app connected to an OBD device that monitors the ecu...I got the codes below :

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What's going on ??


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Old 03-19-2015, 11:26 PM   #2
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Could have blown a head gasket and/or warped a head...


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Old 03-20-2015, 12:28 AM   #3
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ouch that sucks...
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Old 03-20-2015, 01:16 AM   #4
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Damn dude. Coyote swap time?
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Old 03-20-2015, 01:27 AM   #5
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Check the oil; if it's milky, it has coolant in it and it will prove the head gasket theory. I would suggest you get it to a reputable shop and have them tale a look at it.hope you get it fixed soon and at a reasonable price.


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Old 03-20-2015, 02:17 AM   #6
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Anyone have any thoughts on whether it could be pistons/rings/rods ? ...hopefully it's just head gasket...that's an easy one. If it is warped head what does that entail ?


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Old 03-20-2015, 02:49 AM   #7
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Sounds like something got too hot and warped/broke.


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Old 03-20-2015, 09:02 AM   #8
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If the heads are warped it is possible to have it repaired but most likely you will need to purchase new heads


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Old 03-20-2015, 11:11 AM   #9
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If the heads are warped you will notice a loss of coolant so start there.


Check to see if you are burning coolant, check your oil like stated above, reset the computer.
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Old 03-20-2015, 02:31 PM   #10
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This might sound stupid ---BUT-- Worth a try.

Go out and disconnect the battery for about 1/2 hour.
Connect it back up and start it up.

There is some fail safe type thing in the computer that cuts engine performance way down if it thinks the car is going to overheat. Hopefully this will reset everything and make your engine run smooth again.

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Old 03-20-2015, 06:35 PM   #11
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Tried that...same.

I will take it by steps :

pull plug (see)
Replace plug
Replace coil

Have it towed to my tuner because at that point it's a head problem.




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Old 03-20-2015, 07:28 PM   #12
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Outside of this issue how have you liked your pro charger?


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Old 03-20-2015, 08:27 PM   #13
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Never fully to tell you the truth...torque is not as immediate as when I was NA...sure when boost kicks in it's great.


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Old 03-20-2015, 08:41 PM   #14
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You got a supercharger right?


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Old 03-20-2015, 09:50 PM   #15
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have you tried compression testing each cyl yet? if one cyl is vastly different than the others than you know its not an electrical problem (plug, coil, etc.)
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Old 03-21-2015, 02:14 AM   #16
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Hey grom. Its chris from the cyclone fb page. Lol
Where you able to check the plugs/oil?
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Old 03-21-2015, 08:56 AM   #17
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No not yet. I am out of town for work...will have to deal with it when I get back next week.

I'll try a compression test first and look at plug when I pull it out...then coil is next step.

Anyone know the correct numbers for compression on these engines ? Where do I get them ?


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Old 03-21-2015, 09:08 AM   #18
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Yes I am supercharged


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Old 03-21-2015, 10:43 AM   #19
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Quote:
Originally Posted by grom80 View Post
No not yet. I am out of town for work...will have to deal with it when I get back next week.

I'll try a compression test first and look at plug when I pull it out...then coil is next step.

Anyone know the correct numbers for compression on these engines ? Where do I get them ?


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I couldn't find the actual numbers, but you'll be looking more at the difference in readings anyway.
You may not need this but I thought it was a good little article on compression testing.
http://www.2carpros.com/articles/how-to-test-engine-compression/page/3
Good Luck!
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Old 03-22-2015, 12:02 AM   #20
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Anyone know exactly which cylinder is number 6 and what are the normal compression numbers for this motor ?


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Old 03-22-2015, 12:24 AM   #21
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Quote:
Originally Posted by grom80 View Post
Anyone know exactly which cylinder is number 6 and what are the normal compression numbers for this motor ?


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The cops should be labeled with numbers somewhere. Or the wires

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Old 03-22-2015, 12:33 AM   #22
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Cops you mean ?


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Old 03-22-2015, 10:40 AM   #23
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Re: Compression Numbers

Quote:
Originally Posted by grom80 View Post
Anyone know exactly which cylinder is number 6 and what are the normal compression numbers for this motor ?


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Here's what I found...
2011 Ford Service Manuals
Following link is for "Engine System — General Information"
Ford Service Manuals - DIAGNOSIS AND TESTING
then click on "Compression Test — Compression Gauge Check"
(Still doesn't give a specific value but rather that, "The indicated compression pressures are considered within specification if the lowest reading cylinder is at least 75% of the highest reading.")

Pretty sure the following is the correct one.
Click image for larger version

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The larger of the 2 diagrams, that is. Not sure what that smaller one represents.
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Old 03-23-2015, 01:37 AM   #24
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Thanks !!


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Old 03-23-2015, 01:40 AM   #25
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Quote:
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Thanks !!


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Yeah that bigger one is the way my 07 was

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Old 03-23-2015, 05:59 AM   #26
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Quote:
Originally Posted by Diehard View Post
Here's what I found...
2011 Ford Service Manuals
Following link is for "Engine System — General Information"
Ford Service Manuals - DIAGNOSIS AND TESTING
then click on "Compression Test — Compression Gauge Check"
(Still doesn't give a specific value but rather that, "The indicated compression pressures are considered within specification if the lowest reading cylinder is at least 75% of the highest reading.")

Pretty sure the following is the correct one.
Attachment 178091
The larger of the 2 diagrams, that is. Not sure what that smaller one represents.
The smaller one looks like the coil pack spark plug wire diagram for a 4.0 -
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Old 03-30-2015, 04:37 PM   #27
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Hey y'all...

So I removed all the spark plugs and they look fine...oil looks fine...no smoke coming from the tailpipes...

Reverted to stock and then retuned the car...same problem...feels like it's running on 5 cylinders, sounds weird, shakes, hiccups and idle is irregular.

Did a compression test with the crew in hose method which is more reliable :

1 - 126psi
2 - 120 psi
3 - 122.5 psi
4 - 114 psi
5 - 125 psi
6 - 129 psi

How do these look ?


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Old 03-30-2015, 08:46 PM   #28
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BIG PROBLEM ON PROCHARGED V6 - help

Quote:
Originally Posted by grom80 View Post
Hey y'all...

So I removed all the spark plugs and they look fine...oil looks fine...no smoke coming from the tailpipes...

Reverted to stock and then retuned the car...same problem...feels like it's running on 5 cylinders, sounds weird, shakes, hiccups and idle is irregular.

Did a compression test with the crew in hose method which is more reliable :

1 - 126psi
2 - 120 psi
3 - 122.5 psi
4 - 114 psi
5 - 125 psi
6 - 129 psi

How do these look ?


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Did u check you oil and see if coolant was mixed in there yet? And looks like number 4 is your problem but the compression is not off that bad
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Old 03-30-2015, 09:35 PM   #29
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Oil is clear...no smoke as well and no loss of coolant.

...so after all this I think the problem has been resolved...I changed out the coils (Accel) and put the stock coils back on...bada bing. My theory is that when the ****ty aftermarket fan resistor I had on burned out, it surged and fried the fuse but also a coil...since I am not running 1 different coil, I changed all of them. Tomorrow will drive around warmed up to test and confirm. Compression was good so not a case of piston rings or such...also oil is clear and no smoke as well as no loss of coolant means gasket is intact.


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Old 03-30-2015, 10:03 PM   #30
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Glad to hear it's not the head gasket
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