Question about 2001 Dodge Grand Caravan
Someone quoted me $1200 to replace the PCM on my dodge grand caravan. i need to replace this so that I can pass emissions tests - the car otherwise runs fine, and it passes emissions when the emissions are tested from the tailpipe. sadly, the law in oregon means that you can't check emissions by checking the stuff that is actually emitted from the engine - only via the OBD, which suddenly stopped booting and gives me a "memory checksum error"
Posted by Anonymous on
You can do it yourself, it is under the hood and easy to spot has a huge electrical connector going to it. Contac the company at the website, they can supply a pre-programmed PCM for less than $200.00 (USD) Select your year Dodge Caravan PCM ECM ECU and get back on the road ASAP...
Posted on Jun 26, 2017
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Posted on Jan 02, 2017
Just maybe your O2 sensors are not operating properly. They may be requiring your engine to heat them up to get upper temperature readings but not lower. You can easily diagnose these and all other sensors and problems by purchasing a Hains manual at your local Auto Zone or Advance auto store which will greatly aide you in diagnosing all your auto needs. And the fault symptom index at the beginning of the book will ease your troubles with professional one on one advice with step by step instructions. Its like having your own ASE certified mechanic at your finger tips. Good luck.
Posted on Mar 05, 2009
SOURCE: My 1996 dodge caravan is displaying fault code p4030 "exhaust gas recirculation control circuit" is preventing it from passing it's emissions test (Washington State). Is there anything I can take care
check the vacuum line going to the valve and the transducer, this is the black plastic rounnd thing between the egr valve and the intake, chances are the transducer is bad and can only be purchased along with the valve. if you have access to a vaccum gauge you can connect it to the line at the egr valve and raise the rpm to 2000rpm and see if it pulls vacuum, but you can probably count on buying a new valve assembly.
it will come with the tranducer which is probably allyou need. hope this helps.
Posted on May 20, 2009
SOURCE: Check Engine Light won't go off
If you have an Advance Auto Parts store where ever you are, they will read the code and tell you exactly what to code is and what it means. Any mechanic who "guesses" isn't a mechanic at all - he's a thief. Emissions leak can be any number of things, but not the gas cap!
Posted on Aug 21, 2009
SOURCE: Failed Emision test
po442 is evap emission control system leak (small) 1 of the lines for emissions is leaking. po455 is-- emission control system leak (large). turn off light with code scanner after it is fixed.
Posted on Sep 01, 2009
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