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Old 03-06-2010, 09:52 PM   #1 (permalink)
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Default '04 Verona---Check Engine Light on

My '04 Verona has just over 45K on the odometer and for the past 2 weeks the Check Engine light has been on constantly, from engine start-up to shut-off. There have been -no- driveability issues at all noted during this time.

My question is: How do I check for fault codes? Does this car require an OBDII scan tool or can I pull the codes without one? Lastly, is there an on-line listing of the codes?

Thanks-
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Old 03-07-2010, 10:02 AM   #2 (permalink)
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yep, you will need an OBDII scanner to read the codes.
there are many on-line sources to get definitions, or just post them here and we can get you some answers..
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Old 03-13-2010, 10:21 PM   #3 (permalink)
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I read the codes with the OBDII scanner:

P0174 (System too lean) Bank 2

P0171 (System too lean) Bank 1

I cleared the codes, started the car for a few minutes, but have not driven it yet. The check engine light is off for now, but we'll see what happens tomorrow.
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Old 03-13-2010, 11:33 PM   #4 (permalink)
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sounds like it could be an intake leak, or possibly low fuel pressure.
first place to check is the hose that comes off of the PCV, they are really brittle and like to crack..
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Old 03-14-2010, 09:07 PM   #5 (permalink)
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Quote:
Originally Posted by lumpylarry View Post
sounds like it could be an intake leak, or possibly low fuel pressure.
first place to check is the hose that comes off of the PCV, they are really brittle and like to crack..
lumpylarry et all:

After finding out what codes were stored and a little on-line searching, low fuel pressure & intake leaks seemed to be the common causes.

Before I drove the car today I removed the upper engine cover to snoop around a little. Within minutes I found the problem....

The PCV valve was -broken- in two pieces with part of it inside the hose and the other part still screwed into the front cover. I removed the ventilation hose from the car completely and removed the broken nipple on the work bench. I had to remove the EGR valve to gain access to the PCV valve body, then was able to remove it using a socket.

I went on-line, but none of the local parts houses listed the PCV valve.

The PCV seems to be made of ABS(?), so I cleaned the parts well with brake cleaner, used super glue to join the parts together, then ran a bead of JB Weld on the outside for strength. After the JB Weld had cured for several hours I put everything back together and drove the car, making several short trips during the day. The check engine light never came on. Just for kicks I checked for codes again this evening using the OBD II, and it 'passed' with no codes stored. It looks like my shade-tree repair worked. I'd still like to buy a new PCV valve as I don't have a local dealer...if anyone has one.

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Many Thanks!
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Old 03-14-2010, 09:14 PM   #6 (permalink)
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ive tried that a few times using super glues, epoxy's etc, never had success, the heat always seems to melt the glue.
hope yours lasts until you get the part..

beware, running the engine lean will cause serious internal damage.
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Old 03-14-2010, 09:29 PM   #7 (permalink)
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Quote:
Originally Posted by lumpylarry View Post
ive tried that a few times using super glues, epoxy's etc, never had success, the heat always seems to melt the glue.
hope yours lasts until you get the part..

beware, running the engine lean will cause serious internal damage.

Advice taken...just have to find a new valve.

Thanks again!
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Old 03-14-2010, 09:38 PM   #8 (permalink)
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Rockauto.com has the PCV valve in stock.

I have several other parts needed for my other cars, so this one will be on the next order...I might just buy 2.
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Old 03-14-2010, 09:40 PM   #9 (permalink)
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good idea!!

cheers
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Old 03-19-2010, 04:31 PM   #10 (permalink)
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I received the new PCV valve from Rock Auto on Wednesday and installed it. Rechecked for codes but none were found, so I guess my glue-job held up the past few days. It's now Friday and the car has been driven ~150 miles over the past few days--the check engine light remains off.

I hope it stays that way.
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