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Old 12-19-2012, 04:10 PM   #1
tekhnogod
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2008 Impreza Outback

Default After new spark plugs...still won't start

Hi,

I have a 2008 Subaru Impreza Outback Sport with 94k miles (have always done oil change, 30k and 60k service on time). The check engine light started to blink while I was driving. Within .5 mile, I was dead in the water. I towed it to my Subaru dealership and they said the sparkplugs (100k mile life expectancy) failed which caused the coils and spark plug seals to break. After they performed the work, the car still will not run. They speculate that its the right cylinder head that needs to be replaced but will have to charge $700 just to diagnose the problem. What do you think is going on? Thanks.

Note: I know little about cars so I'm desparately seeking advise.
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Old 12-20-2012, 08:16 AM   #2
Charlie-III
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1998 Legacy 2.5GT
Silver Sleeper Wagon

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Does the engine crank fine (normal cranking speed) but it just won't fire?

Not sure how plugs got you to here. Can't say I ever heard of a failed plug taking out more stuff.

The shop could do a compression test as well as a leakdown test to see what is going on in the engine.
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Old 12-20-2012, 09:32 AM   #3
tekhnogod
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My car is still at the dealership so I have not had the chance to try to start it up myself. From what they told me, it did start up but it sounded very choppy. Without hearing it myself, I have no idea what that means. I tried to work out a deal and trade it in. They offered me $1200! According to KBB, the car should be worth $9400 in very good condition.
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Old 12-20-2012, 10:55 AM   #4
ADaughen
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"Spark plugs failing caused your coil to break?"

"$700 more to diagnose"

I'd gather my car and find another shop, ASAP.


They also aren't going to pay Very Good condition on a non-running vehicle, but should EAD for offering $1200.
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Old 12-20-2012, 11:02 AM   #5
tekhnogod
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So I take it that its not a likely scenario?

Let's just say, I'm second guessing everything they say (Sales and Service dept). And will be seeking a second opinion asap. I don't have a good feeling about them.
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Old 12-20-2012, 04:46 PM   #6
SubaruTech84
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Spark plugs on an 08 Impreza should be replaced every 30,000 miles as per Subaru. They are single platinum NGK plugs. $700 more to diagnose seems like a lot. That is probably 6 shop hours of time to look into it. Compression test is 1.5hr as per Alldata. That should be about $150-$175 depending on the shop rate. What did they say the $700 would cover as far as diagnosis? If they didn't say, you should ask them for details about it.

A blinking check engine light means the engine is misfiring to the point that it could cause damage to the catalytic converter. When the engine died, did it make any funny/loud noises?
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Old 12-20-2012, 05:11 PM   #7
tekhnogod
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Now that you mention it, I looked at the maintenance schedule. Yes, you're correct. The spark plugs should be replaced every 30k miles. The service advisor told me that when I went in for the 60k tune up, the spark plugs did not need to be replaced so they didn't. So I could argue that its there fault that this happened since they didn't replace it at 60k?!?!

They told me that it should take 14 hours of work but since they already went in and changed the spark plugs. The job should only be 7 hours to diagnose. They didn't specify what the $700 diagnosis will cover.

The engine made a few chogging noises then went silent.
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Old 12-20-2012, 08:00 PM   #8
Zefy
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Quote:
Originally Posted by tekhnogod View Post
Now that you mention it, I looked at the maintenance schedule. Yes, you're correct. The spark plugs should be replaced every 30k miles. The service advisor told me that when I went in for the 60k tune up, the spark plugs did not need to be replaced so they didn't. So I could argue that its there fault that this happened since they didn't replace it at 60k?!?!

They told me that it should take 14 hours of work but since they already went in and changed the spark plugs. The job should only be 7 hours to diagnose. They didn't specify what the $700 diagnosis will cover.

The engine made a few chogging noises then went silent.
14 hour job to do what exactly? Diagnose the problem? and cut the time in half because they changed the spark plugs? Changing plugs is a 30 minute job... and if they've already done it and tried to start the car, then it's no different to tear the car back apart.

That last bit you said, plus the CEL blinking, makes me thing your cat converter is clogged or broken.

If they haven't preformed a compression and leak down test yet that should be priority number one especially if they're saying they need to replace a head. These test should cost MAX 300 bucks.

You should also ask for the old plugs and seals back and post up some pictures... sounds like this dealership is taking you for a ride.
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Old 12-21-2012, 08:55 AM   #9
tekhnogod
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At the time I thought they were doing things for my best interest. I had to take their advise because I didn't know any better but trust me, no more work will be done. I'll be towing it to another shop asap!

I doubt I could get the parts back, it happened five days ago.

Good input, I'll use it as ammo when I yell at them!!
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Old 12-21-2012, 12:25 PM   #10
Charlie-III
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Yes, sounds like they "saw you coming".
No, please don't yell (at least, wait until AFTER it's resolved)
Yes, sounds like you need to find another shop, or a knowledgeable local from here.
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Old 12-21-2012, 01:00 PM   #11
tekhnogod
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Nothing will be resolved with my car at the dealership. They won't budge on anything. I've tried over the phone, in person and spoke with supervisors.

Its a shame that they have lost me as a customer over this. I went to them for all my maintenance stuff and future ones had they made a deal with a new car.
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