Question about 2002 Dodge Neon
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Posted on Jan 02, 2017
SOURCE: 1997 Dodge Neon DOHC
I did reply to that on the original question. It's kind of a long reply, otherwise I would type it out again.
It basically says, the 12 55 code is different from the original one you posted, and gave some other things to look at.
If you've checked the timing and it's right, you had something else fail in there. When a timing belt breaks (and depending on how fast the motor was turing at the time it broke) you might have some other damage that is confusing the computer.
Posted on Aug 11, 2008
SOURCE: P0551 code on 2000 Dodge Durango
This is a common problem on the Durangos. Usually the Power Steering Switch leaks and wicks through to the o2 sensor causing a temporary short, hence your engine light code. The code is telling you that the o2 sensor is faulty.
Inspect carefully under the P/S switch and check all connectors beaneath it for oil seepage. Clean it off with brake cleaner. To reset the code in your computer you will have to disconnect and reconnect the battery terminals. Leave them disconnected for 15 minutes. Then reconnect. Not sure wether or not your brake lights went back off, but if they did not check the master cylinder and be sure it is full of brake fluid. Do this before disconnecting the battery so that if those lights did not go off they should after reconnecting. Good luck!
Please remember to rate this fix.
Posted on Feb 12, 2009
Here is what I could find for your code error as potential causes:
After market parts and accessories nonconforming to the EVAP system specifications.
Damaged, missing or improperly installed fuel filler cap.
Blockage in fuel vapor hoses/tubes (EVAP canister tube, EVAP canister purge outlet tube or EVAP return tube) in EVAP system.
Disconnected or cracked fuel vapor hoses/tubes in EVAP system.
EVAP canister purge valve stuck closed.
Canister vent (CV) solenoid stuck open.
Fuel tank pressure (FTP) sensor malfunction.
EVAP canister leaking.
Fuel vapor control valve tube assembly blocked.
Fuel vapor vent valve assembly blocked.
Obviously the gas cap would be the easiest and cheapest thing to fix. Just make sure it is put on correctly and tight. If it is not that, I would have to suggest to take it to a mechanic because the other problems on that list are not really DIY material. Hopefully it is the gas cap and you can take care of it yourself. Good luck.
Posted on May 17, 2009
SOURCE: po605 and po700
p0700 is a generic trans. code, so the problem if it is in the trans. would require further trans diag. so i would scan trans specific codes first. but in most cases when a chrysler tells you it is an internal controller fault you can believe it. just make sure which controller it is telling you has a fault!
Posted on May 19, 2009
Tips for a great answer:
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The engine and automatic transmission in this vehicles drive train are fully electronically controlled by a computer called the PCM (Power Train Control Module). Whenever a problem like this occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM
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