Dodge Ram 1500 - 2002 4.7
After my radiator blew, this all started..
The truck runs well if you don't accularate quickly but
if I try to excellerate (Kickdown) at 3000rpm`s it doesn't take it,
I had verious codes when I put the OBD on the motor, so far I have changed the following parts
Coil,
8 New full injectors,
map sensor,
sensor,
cleaned all wires,
verified and cleaned the spark plugs
Verified all the wiring, grounds, etc.
Could it be the trottle body, transmission sensor (cellenoide sensor) or other.
Any suggestions would help
thank you all in advance
SOURCE: dodge ram 1500 engine rpms surge at freeway speed
those sensors could cause the issue, clean the MAF 1st, also clean the idle system using the following procedure, the IAC can cause cruise surge. I use this to cure these problems all the time.
Here is the most common cause of surges and stalls and low idle, it is the idle speed control air-bypass valve (IAC) and throttle valve, they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.
SOURCE: Charging problem on 1996 Dodge Ram 3500 Cummins Turbo Diesel
I had the same problem on a 94 dodge with the cummins. It seems the crank sensor that reads from a notch on the harmonic balancer was the problem Without this sensor reading that the engine is running the alternator wont charge. Possibly the same problem with yours
SOURCE: 1996 dodge ram won't stay cranked
you have wiring issues for sure.check all connections underneath,especially the crankshaft sensor,and all the plugs around the throttle body
SOURCE: My 97 Dodge Ram 1500 5.2L Pickup has started
if the truck feels like,
the more gas you give it the slower it goes,
you might want to check for a converter plugging up.
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