Game Show - What's wrong with the SHO?

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blaine109

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So I took it back in and they are saying that it's the MAP sensor. Pray for me that it is...i want my SHO back to it's original performance....

I'll keep you posted.
 

nynd

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So I took it back in and they are saying that it's the MAP sensor. Pray for me that it is...i want my SHO back to it's original performance....

I'll keep you posted.

Doubt it - let them change it and then let us know what they say when you go back!
 

blaine109

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Supposedly the service manager is going to be speaking with a specialist via telephone (not email nor the standard "ford unhelpful line") Monday to discuss the problems and hopefully come up with a plan for resolving my issue. If I cannot get a straight answer on what they think is wrong with my car or a reasonable plan to rectify my issues (ie. start replacing everything that may have influences on my situation) I am going to start the arbitration process via the BBB Auto Line. http://www.bbb.org/us/auto-line/state-lemon-laws/

I first reported this issue about 5,000 miles ago which would be somewhere around 9,000 miles. I purchased the car, which was a demo car, and at the time of purchase it had around 5,0000 miles on it. I have had it at 2 different dealerships a total of 5 separate visits encompassing a total of 9 service days.

I'll keep you posted.
I feel that I have given Ford a reasonable amount of attempts and days to find and fix the problem with my car and they still do not know what the problem is. They can only say for sure that they do know that it is not the MAP sensor nor the PCM programming (not to say that the PCM itself isn't working properly).
 

blaine109

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Now the Ford unhelpful line wants the service manager to replace the plugs... If this doesn't do the trick it's off to arbitration.
 

blaine109

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They are going to run some more tests while I start the arbitration process which will get should get an actual ford engineer out to inspect the vehicle and attempt a final repair.

As far as what the Ford Unhelpful line wants the service manager to test is the exhaust back pressure to see if there may be a clog in the catalytic converter. I'll let them hold my vehicle at the dealership till tomorrow afternoon for further testing but I'm about to start submitting my issue via the BBB Auto Line.
 

Showgun

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They are going to run some more tests while I start the arbitration process which will get should get an actual ford engineer out to inspect the vehicle and attempt a final repair.

As far as what the Ford Unhelpful line wants the service manager to test is the exhaust back pressure to see if there may be a clog in the catalytic converter. I'll let them hold my vehicle at the dealership till tomorrow afternoon for further testing but I'm about to start submitting my issue via the BBB Auto Line.

At least they have some more ideas. Who knows, maybe there is a broken catalytic -- Let's hope so.
Good you told them you were pursuing arb.

G/L and keep us up on further developments.
 

nynd

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I'm going to guess it can't be a catalytic issue, as it only happens when you get on it to go while coasting.
 

shaker281

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Does the problem still clear up after the KAM is cleared? seems like they should be able to datalog or read the stored parameters to see which variable is being affected. i.e. - A/F is going overly rich due to a faulty O2 sensor or chaffed wire?

No stored codes at all then?
 

blaine109

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The vehicle no longer gets better after a KAM reset. Here is an overview/timeline of what has been done so far:

5/31/11 - Concern: Engine jittery on acceleration.
Diag only. Test drove and found several torque calc sensors have screwed readings. Checked intake sys and found aftermarket air breather assembly (Airaid) TSB 10-2-6 states presence of this filter can and will cause drive-ability concerns.

I took the car back and replaced the Airaid with the stock air box and took it back the next day with the same issues.

6/1/11 - Concern: Hesitates on accell from stop. Engine jittery.
Verified customer concern. Install IDS no codes present run oasis no tsbs or ssms related to cust concern. Reprogram PCM to latest level. Reset KAM and test drive. Vehicle performs as designed. Return vehicle to service.

After I got the vehicle back it ran like a beast for about 200-300 miles and the problems started to creep back. As these problems started to creep back they also got worse. At the time the RPM needle didn't just but every once in a while. I then took it to another dealer for another looksee. I also felt that the first dealer had a bias about what was going to be wrong with my vehicle because I had the airaid on there previously.

6-21-11 Concern: All the same issues plus the RPM needle bobbing was now really prevalent and the gas mileage was down about 5 MPG's average or so.
Ran ECC test. No codes. Removed K&N Filter and installed a new motorcraft filter. Reset KAM. Test drove and ran EEC test again. Passed.

I did about a 20 mile test drive before I signed off on it. During that test drive it ran like a beast. About 40 more miles the problems started to show their rear end again. I did ask that if the problems went away with just the filter change and they said "No. They went away after we also reset the KAM memory."

I don't have the official final ticket where they replaced a sensor, which I did find out was not the MAP sensor but a different sensor, as well as the spark plugs. The service manager said that all the old plugs looked good when he pulled them out. After the sensor replacement as well as the plug replacement they did reset the KAM memory and I test drove it each time and it was no better at all.

I'll have that finalized ticket this afternoon when I go to pick up my vehicle and post the verbatim work performed.
 
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Showgun

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Wow, still no solution.
This has to add up to it being a lemon.
I'm guessing that you'll eventually pursue that angle.
G/L.
 

mjhpadi

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Man, I'm really sorry to hear about all the problem you're having getting this resolved. I know how frustrating this ordeal can be, sure hope that someone can fix it soon or that Ford steps up and resolves it to your satisfaction. Good luck, keep us updated, we all hoping this works out for you.
 

blaine109

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I don't have the final paper work yet, the service manager was working on it and sending more data to Ford when I arrived. He did let me look at some of the data and graphs from some test runs he did...interesting stuff.

I will say that the only things that looked out of wack (which he pointed out) was the wastegate. It was opening up during test runs 50%-75% when it should have been closed. Essentially, it was bleeding a ton of the air instead the turbos were compressing instead of cramming it into the engine.

I should have the final paperwork tomorrow afternoon and hopefully we will have some more information from Ford regarding the wastegate opening up when it should be closed. The service manager did say that the wastegate seems to be fine itself. What we're hoping to hear is that some sensor some where is telling the wastegate to open up when it shouldn't be.
 

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