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Anyone have issues with new Coyote 5.0?

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  • Anyone have issues with new Coyote 5.0?

    Trying to help a buddy in Florida that his new Coyote engine blew and
    Dealer is falsely accusing him of running NOS and Tune which voids warranty.
    I copied his post from the Florida forum, sorry for the long read, but I'd rather let his own words explain. Thanks

    "Well some of you have probably heard that my car is at the dealership in service. Here's the story...... Sometime around May 10 I was coming home from work cruising south on 182nd St to go on Miramar parkway. The light was red so i was slowing down, but the as I approached the light turned green so I put the car in 2nd and gave a bit of throttle, the car responded but then kind of hiccuped... recovered and continued to pull strong. Just about 20 seconds later the check engine light came on. Well I got home and pulled the code, a P0300 randome misfire So I cleared the code and went to sleep. The next day or so the light came back on and the same code. Finally a day or two later, a P0308 cylinde #8 misfire. I knew that there was a problem. Well since my kids were coming to stay with me I kept the car parked and drove around in the CC. On June 6 I took the car to Maroone Ford of Miami. Well a few days or so later I get wind of a rumor from within our community that my car blew up because I was running nitrous I asked around and found out that the technician at Ford suspected me of running nitrous and called it in to Ford's internal technical hotline. Now that's bullshit!!! Everyone here that knows me, Knows that I've never sprayed any of my cars here in Florida. I went to the dealership and questioned the service advisor, apparently after looking at my engine and surroundings, the tech saw a "plug" in my intake tube and said there is wheere I had installed the nitrous. He was refering to the gay ass sound transfer tube. I had eliminated this gay piece of Ford engineering because I didn't like the "artificial" sound. Since the hose was no longer present I had to install a plug. I used a rubber freeze plug. Now on the firewall since there was a hole there too, I used a trunk plug. This is where the shit gets good. The tech and Ford's super engineering department, perform a battery of tests to find what modifications had been made to the car. Instead of trying to find out what was actually wrong with my car, they focused on how they can void my warranty. They looked high and low, for additional wires, drill holes for bottle mounting, all sorts of shit, THEY FOUND NOTHING!!!! The advisor called me several times to tell me that Ford hadn't made a determination on my warranty. After about a week or so, finally I get a call saying that Ford had approved to pull the motor and for the tec to determine if a long or short block was needed...... Then out of the blue a few days ago I get a call from the service advisor to tell me that Ford had sent and email to hault the repairs on my car I follow up and talk to the service manager and he tells me that something came up and that Ford voided my warranty. The explanation I got was that they "found" that I had an aftermarket program installed. No other details were given to me. Now I need some help from you guys, I'm gathering information of other cases similar to mine, I've filled a couple of complaints and I have to prove that mine isn't an isolated case, that others have had the same problem. There are cars our there that are running boost and no problems and there have also been completely stock cars that have had the misfire and Ford has swept this under the rug. I have a very very reliable source and he has info of other cars. Heck, here's something for you to think about before you guys start with the comments, Ford just released their Power Pak, comes with their "locked" tuner, a drop in K&N filter and high flow mufflers...... A customer up north puchased this kit had it installed and BLEW UP # 8!!!! Now he went to warranty and they replaced his engine.. This was told to my source by a Ford SVE engineer that works in the calibration department..... The motors do have a flaw, not all of them, just about 6,500 of them.. More to come"

  • #2
    Impossible - Coyote is touched by the hand of god.

    Did he have a aftermarket tuner on his car?
    .

    Comment


    • #3
      The new Coyote motors have been having serious issues with the #8 piston eating itself. Research this on SVTperformance.com

      Comment


      • #4
        Plenty of discussion on the topic on a couple other forums. Here is one of them.

        I've been reading for the better part of 2 hours this morning on numerous Mustang sites. I was reading that some people are having the #8 cylinder lose compression where the knock sensor is not picking up the #8. I've seen in numerous posts where the ring actually folded over the cylinder head...


        For what its worth a friend of mine was one of the first few people to independently dyno a couple of Bamas initial tune releases. They were showing to be lean on the top end and started dropping power from what looked like knock retard. They made some changes to his specific tune and power improved.

        Tell your buddy good luck, but situations like this are something that comes with the territory when modifying cars still under warranty.

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        • #5
          Glad mine is gone.
          2015 F250 Platinum

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          • #6
            If he had an aftermarket tune on his car Ford WILL void the warranty.

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            • #7
              Originally posted by 71chevellejohn View Post
              Impossible - Coyote is touched by the hand of god.

              Did he have a aftermarket tuner on his car?
              No Tune at all done to the car, Only thing he did was the catback exhaust.

              Originally posted by NoClassic View Post
              Plenty of discussion on the topic on a couple other forums. Here is one of them.

              I've been reading for the better part of 2 hours this morning on numerous Mustang sites. I was reading that some people are having the #8 cylinder lose compression where the knock sensor is not picking up the #8. I've seen in numerous posts where the ring actually folded over the cylinder head...


              For what its worth a friend of mine was one of the first few people to independently dyno a couple of Bamas initial tune releases. They were showing to be lean on the top end and started dropping power from what looked like knock retard. They made some changes to his specific tune and power improved.

              Tell your buddy good luck, but situations like this are something that comes with the territory when modifying cars still under warranty.

              I forwarded him the link to the thread, thanks.
              Last edited by robert; 06-26-2011, 01:58 PM.

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              • #8
                Put a Ls3 in it.
                Doing enough racing for 99% of the board!

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                • #9
                  First of all he shouldn't have taken it in without the intake port noise tube connected. They can and will cite just about anything to void a warranty claims. And they probably did find evidence of a tune, but he said it had no tune. What probably happened is he is just one of many poor bastards to come that will get caught by Ford's new tattle tell system in their new PCM strategies. He most likely did have a tune in and returned it to stock before bring it to the dealer. However, now the new cars keep a record of how many times it's been flashed for service or otherwise. This is a table that is non-volatile and not able to be flushed by a tuner.

                  I feel bad for the guy due to the expense, but he's not being 100% honest about the situation.

                  And the new Mustangs are really turning out to be a dud for the consumer. The Chinese transmission debacle and many complaints about this same type of engine problem. I don't care how good they run, it's starting to look like they are full of gremlins and are essentially junk.

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                  • #10
                    Easy now, the Camaros had a trans issue. Now it was fully on gm shoulders for putting a launch controller on a 4000 pound car. I wouldn't call them junk, maybe a pos. But not junk.....Hopefully it's a the tuners fault and not Fords.
                    Doing enough racing for 99% of the board!

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                    • #11
                      Its only the first year out.. give it time

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                      • #12
                        Well that really sucks but I wouldn't buy a first year model anyway. It sucks to see ford voiding warranties like this though but another good reason not to fall for the extended crap warranty unless you never planning on modding.

                        Sent from my Nexus One using Tapatalk

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                        • #13
                          It really has a lot to do with the dealer. We work on a bunch of stuff with programmers and performance add ons. I've been at my ford dealer for over 12 years and have never seen any warranties voided from performance upgrades. We have occasionally had a customer act like a jackass. Or have lack of mantenance issues to have an actual ford engineer make the call on the repair.

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                          • #14
                            pull that crap coyote motor out of there and drop in a road runner 5.0 out of the boss mustang....this is the motor that is touched by the hand of god.....hope everything works out for ya.

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                            • #15
                              Originally posted by SaTx04Lightning View Post
                              pull that crap coyote motor out of there and drop in a road runner 5.0 out of the boss mustang....this is the motor that is touched by the hand of god.....hope everything works out for ya.
                              Because the boss motor has been tested more then the coyote? Damn near the same motor anyways.
                              IMG_0424

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