Question about 2006 Dodge Ram 1500
Posted by Anonymous on
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Posted on Jan 02, 2017
PO420 code tells you the catalytic converter is not reaching the proper temperature .. that is measured by the back oxygen sensor (just behind the CAT ... make sure the heat shield is in place (in cold weather) .. you can check for a rattle in the cold CAT (thats bad) .. the rear O2 sensor can be bad or you could have a bad catalytic converter or one thats on it way to being bad .. there are some tests a mechanic can do .. 1. a back pressure test 2. measure the temperature of the CAT surface .. it should be around 225 deg F (after warmup) .. a non contact (IR) thermometer is handy for this .. make sure the pipe behind the CAT and the muffler are not leaking ..some "high flow rate " replacement mufflers will cause the trouble ..
Posted on Jul 02, 2010
I would only assume the alternator is the problem,if there is not enough voltage being supplied,the accessories will not work,or work properly.
Posted on Aug 16, 2010
SOURCE: dodge ram 4.7 engine dtc p0307
Could be a problem with the wiring for the injector or the coil.
Or even the crank sensor.
The computer "sees" the drop in RPM to peg a cylinder for a miss.
Do you think the miss is really there ?
Posted on Aug 19, 2012
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Oct 12, 2016 | 2005 Dodge Ram 1500
The P0700 code is stored in the ECM and just tell you that there is a code in the TCM (Transmission Controller), that is the P0888.
DTC P0888 is telling you that the Transmission Relay output is always off; in this link can checl the Diag Chart for that code, this coul help...
Zoom Image link HERE
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