Question about 2001 Dodge Intrepid
2001 Dodge Intrepid 2.7...I am seeing codes P0403 and P0622, plus the battery light stays lit. I replaced these parts for new parts; one battery, one alternator, one alternator belt, one EGR valve, one purge solenoid, two oxygen sensors; however, the battery light will not turn off . What else should I do to fix this? what are the normal wires, cables or sensors that need to be attached to the alternator when replaced? Thank you for your time. Take care
If you've replaced those parts according to the codes, you need to have the codes cleared from the computer, otherwise the car will think you still have the bad parts on, and stay in what they call Limp Mode! Sometimes you can take it to an Autozone, and they can clear it for you! Otherwise you need to have a shop clear those computer codes for you!
Posted on Apr 18, 2014
Testimonial: "Hello Berlyn, Thank you for your input. I own a scanner that I normally use and tried erasing them again this morning, but for some reason the codes will not erase and battery light stays lit. The Auto zones out here in California no longer check for codes or clear codes, due to legal reasons. I did take it to them to have my battery and alternator checked again today. The battery is fine, however, the alternator's voltage was very low. I took it to an electrician close by because the battery was losing voltage already. I was advised to have them check it because it might be the wiring that's draining the battery. I was told by the electricians that they were going to check all wiring including the PCV. I did as much I could by doing research; like, I always do and couldn't find the issue. Thank you once again Berlyn R. and take care :-)"
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Posted on Jan 02, 2017
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With the ignition on and engine off, use a scan tool to activate the EGR solenoid. Listen or feel for a clicking, indicating that the solenoid is operating.
If the solenoid does operate, you'll have to check current draw on the ground circuit. It should be less than one amp. If it is then the problem is intermittent. If it isn't then there is excessive resistance in the circuit and perform the following
1. When it's activated see if you can blow lightly through it. IF you can\'t there may be a blockage causing excessive resistance. Replace EGR solenoid as needed. If there is no blockage, disconnect the EGR solenoid and the PCM connector containing the EGR solenoid control circuit. Using a digital Volt-Ohm meter (DVOM) check resistence between the control circuit and battery ground. It should be infinite. If it isn't, then there is a short to ground on the control circuit. Repair the short to ground and retest as needed.
2. If the solenoid doesn't click as it should, disconnect the EGR solenoid connector and connect a test light between the two wires. Using the scan tool, command the EGR solenoid on. The light should light up. If it does, replace the EGR solenoid. If it does not perform the following: a. Check for 12 Volts on the ignition supply voltage to the solenoid. If it isn't present, inspect the supply circuit for an open, or a short due to chafing or breakage and re-test. b. If it still doesn't operate: then manually ground the EGR solenoid control circuit. The light should light. If it does, repair open in EGR solenoid control circuit and re-test. If it doesn't, replace EGR solenoid.
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