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Old 11-11-2014, 08:02 AM
 
Location: East TX
2,116 posts, read 3,050,294 times
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Get the code from the dealer or from a local Autozone or other parts store. With a code the diagnosis can be made, guessing can end. With a diagnosis, you can figure out if the dealer is screwing with you.
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Old 11-11-2014, 08:25 AM
 
Location: Londonderry, NH
41,479 posts, read 59,791,864 times
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Find an independent mechanic familiar with these cars. Have him do a electronic and physical diagnosis. Make the repairs or sell or scrap the thing.

Stop guessing.
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Old 11-11-2014, 08:28 AM
 
4,586 posts, read 5,612,940 times
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Quote:
Originally Posted by GregW View Post
Find an independent mechanic familiar with these cars. Have him do a electronic and physical diagnosis. Make the repairs or sell or scrap the thing.

Stop guessing.
How do you find such mechanic?

We cannot afford car payments which is why we're still milking this one...
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Old 11-11-2014, 08:40 AM
 
Location: SF Bay Area
13,520 posts, read 22,134,708 times
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Quote:
Originally Posted by PhotoProIP View Post
How do you find such mechanic?

We cannot afford car payments which is why we're still milking this one...

Friends, family, Yelp, CarTalk Mechanics File, etc.
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Old 11-11-2014, 08:40 AM
 
17,595 posts, read 15,266,523 times
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Quote:
Originally Posted by PhotoProIP View Post
Wait a minute...the report is from 2003, so how can it be for a 2004 model?
Quote:
Originally Posted by PhotoProIP View Post
Do you think a dealer will fix this if it was a recall from so long ago??
Next year model cars come out, generally, in September/October of the year before. So, the 2004 models were released around September or October of 2003.

Note the report is for model year 2004.

Yes, a dealer would fix it, if it were related to the recall and the recall had not already been performed. So far as I know, there are no time limits on recalls. I doubt that anyone has drug a 50 year old car into a dealer for a recall.. But technically, if it hadn't been done, the dealer would fix it.

If it is a leaking fuel line, again, that is most likely not causing the SES light.
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Old 11-11-2014, 08:53 AM
 
4,586 posts, read 5,612,940 times
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Quote:
Originally Posted by Labonte18 View Post
Next year model cars come out, generally, in September/October of the year before. So, the 2004 models were released around September or October of 2003.

Note the report is for model year 2004.

Yes, a dealer would fix it, if it were related to the recall and the recall had not already been performed. So far as I know, there are no time limits on recalls. I doubt that anyone has drug a 50 year old car into a dealer for a recall.. But technically, if it hadn't been done, the dealer would fix it.

If it is a leaking fuel line, again, that is most likely not causing the SES light.
Ok. Thank you for explaining that.



We have no family or friends that can help with this, so I will have to check the other stuff you said.
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Old 11-11-2014, 02:44 PM
 
4,586 posts, read 5,612,940 times
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OK: Here are the codes:
PO442
PO420
PO456

I replaced the gas cap with a new one, but the check engine light was still on after that.

Thank you very much for your input.
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Old 11-11-2014, 04:33 PM
 
17,595 posts, read 15,266,523 times
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P0442 - Evaporative Emission Control System Leak Detected (small leak)

P0420 - Catalyst System Efficiency Below Threshold (Bank 1)

P0456 - Evaporative Emissions System - Small leak detected

Based on the codes.. not being familiar with that car.. I'm thinking 2 problems. First, have the exhaust system checked. Doubt the Cat is bad.. Being a 10 year old car, especially if you're up north.. Quite possible you've got an exhaust leak

IF you have an exhaust leak, then it's quite possible that whatever ate through that has started eating at the evap system as well. What part of the world you in?
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Old 11-11-2014, 07:17 PM
 
3,465 posts, read 4,841,577 times
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It is not an exhaust leak.

It is a leak in the evap system. You have a bad fuel tank vent valve, cracked evap line, crack in the fuel filler neck hose, hole in the fuel tank itself or something in that area. You will most likely have to drop the gas tank to find it. If it is a crack in the fuel filler neck hose, it will leak fuel while filling and also leak badly while you are driving it around while the tank is still close to full. Once the fuel level gets low enough, it will quit sloshing up the neck and out the crack. The fuel tank pressure sensor and evap sensors are detecting the leak. The leaking fuel could get on the exhaust system and ignite so it is dangerous to continue driving the vehicle until repaired.

If it is leaking as badly as you say, it should not be very hard to find once you drop the tank because it will have an obvious clean streak where the fuel has been running out and down.
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Old 11-11-2014, 08:23 PM
 
17,595 posts, read 15,266,523 times
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I'm basing the exhaust leak on the P0420 code. If he actually had a bad cat.. There'd be drivability problems, most likely.. or a hell of a rattle where the catalyst separated and was banging around in the casing.

The rest is basically what I was getting at, if not what I said.

If he's in a northern area especially, salt could have caused enough corrosion for a small exhaust leak, causing the P0420, and also eaten through some part of the evap system causing a small leak in it. Which is why I asked for the area that he lives in.

I don't see one problem causing all three of these codes. Which is why I said I think it's 2 distinct problems. I don't see an evap system problem triggering an exhaust system problem code.

The P0442 and P0456 are the same problem. The P0420 is likely distinct.
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