Question about 2005 Chrysler Town & Country

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Why isn't the computer registering when the emmision test is connected?

Took my van in for a state inspection and attendant said my vehicle computer would not connect

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Have to find ecm obd fuse or fuse integrated with obd

Posted on Apr 12, 2015

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1 Answer

The motor emblem stays on


This is an initial emmission control issue advisory. If the performance of the car hasn't degraded and the vehicle still passes smog inspection (for those states that requie it), ensure that the fuel cap is on snug. A competant dealer or independant shop can correctly diagnose this issue with a good professional grade ODB II scan tool. In addition, have the rear multi connector in the vicinity of the centerline of the rear axle that has among other connections, the fuel tank and pump connections, inspected for and protected against impacted mud.

Oct 14, 2012 | 2005 Chevrolet Equinox

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I took for a smog check and the guy plugged in his computer and said it wouldnt read it


europeon import software no doubt,no europeon vehicle or very few can be read via the OBDII your inspector should put a probe up the exhaust to measure the emmisions not plug into the OBDII as connecting up to certain cars with a code reader will render the vehicle in a non start immobilised state that only a dealer can sort out as this is deemed to be illegal access to the OBDII where someone could be trying to by-pass the immobilisor via the OBDII .

Jun 26, 2011 | Honda CR-V Cars & Trucks

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I have an 06 cobalt ls and my battary died and i got it jumped to get to the garage and get it emmisions and inspected.. but when they ran the emmisions test it passed everything but the OBD2 failed do to...


Unfortunatly you will have to complete what is called a drive cycle - it is the only way for the computer to recognize all aspects of the state of the vehicle. It sucks but you have to do it - take it from a mechanic that had to take hours getting a test to pass

Mar 15, 2011 | 2006 Chevrolet Cobalt

2 Answers

When I took my MPV to get inspected the diagnostic machine coud not read my van's computer? thanks, lee


nothing uncommon ,perhaps you have a europeon model software ,its not plugged in here in europe but a sensor placed in the exhaust that reads the emmisions ,so the manufacturers can get away with encrypting the software to stop general garages from fault finding ,could be your mazada has this software

Jul 24, 2010 | 2000 Mazda MPV

1 Answer

OBDII COMMUNICATION FAILURE


If your engine light is coming on, then there is a code somewhere in the computer,it may be a pending code.Its possible your computer is bad. Have your computer tested.

Apr 09, 2010 | 2003 Saturn VUE

1 Answer

Emmision test failed?


maybe i can help, the car has to be in a obd rhope this helpseadiness mode,thecar is probably not in this mode because it has not been driven enough or the(right way). you have do do a drive cycle to get the computer to go into obd readiness mode. also check pin #16 on obd connector tomake sure it has power. go to obd website for complete instructions on the DRIVE CYCLE it is rather long,

Apr 08, 2009 | 2000 Hyundai Elantra

2 Answers

Failed emmisions test..


I am in Virginia but I believe you vehicle is showing a monitors not ready for Catalyst & Evap. If that is correct you need to basically drive the car a few days. The computer will remonitor itself and should be fine following that. Most drive cycles require highway driving & city driving. Make sure you turn on a/c as well. Its not how many miles you drive but what conditions you drive that sets you monitors. You could locate the drive cycle and attempt to replicate it but its usually very difficult drive exactly as the cycle asks. Good luck.

Mar 18, 2009 | 2003 Mercedes-Benz CLK-Class

1 Answer

Emmision test failed?


It is possible that the scan tool that the shops are using, is powered independently from the OBD11 connector, but the testing station relies on the connector for power and if the fuse for it is blown, they get no data and you fail.
I've attached a picture of the connector and where you should see 12 volts. Get a test light and check this pin, if you have no power between this pin and ground, you either have a blown fuse or a wiring problem5243d31.jpg

Mar 17, 2009 | 2004 Hyundai Elantra

1 Answer

My 2002 chevy ventura van data link connector not reading


why do they need to connect to engine ??? bit backward are we not ---where is the emmision analyser with the sensor up the exhaust ????and the full mechanical check ,brake roller tester ,shock absorber tester ,noise test?? over the pit with the wheels jerked about by metal plates to test ball joints and bearings.hammer to test for corrosion .NOT FORGETTING THE PAPERWORK ???

Mar 12, 2009 | 2000 Volkswagen Beetle

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