Question about 2003 Mitsubishi Lancer

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Can not communicate with PCM via diagnostic scanner

Car started smelling like rotten eggs and started bogging down. Was losing power, changed cat conv, also found that alt was bad putting out 18v, changed that and put in new battery also. Now the charging system still not working and can't communicate with PCM.

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Check for power on pin 16 of the connector.Can not communicate with PCM via diagnostic scanne - 0ff5536b-47c0-4d21-a6b6-52e5ced78256.jpg

Posted on Jan 03, 2014

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Posted on Jan 02, 2017

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SOURCE: '93 Mitsubishi Mirage Still Not Starting

Hi there are few things that you have not check that can cause this problem,cap and rotor , pick up coil regular coil ,fuse (start with the less expensives) good luck

Posted on Aug 18, 2008

  • 7 Answers

SOURCE: i have a 1997 Mitsubishi Eclipse i took the

your very correct it is the Security System. The only way to fix this is have it towed to the dealer and have them reprogram the key to the car. its simnple and quick and should cost under $100

Posted on Apr 14, 2010

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SOURCE: I have a 1995 Mitsubishi Montero, new battery and

You need to check the charging system. Take a volt OHM meter and go to the positive and then the negative posts. It will tell you how many volts it is putting out. If it is not charging at least 13.9 volts, then you bought a faulty alternator. If the alternator is good then check the belts to make sure they are tight enough. When you push on the belt at about 3 inches from the alternator it should not give more than 1/4 to 1/2 inch. If it does move more, then tighten the belts. If it is a V belt, just tighten the alternator. If a serpentine belt, check the belt tensioner and belt routing to make sure it is on right. The diagram should be under the hood.

Posted on Nov 16, 2010

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When you say smell like exhaust, does it smell like rotten eggs (sulfur)? If so, could be catalytic converter clogged up.

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