Question about 1997 Dodge Ram 1500 Club Cab
I just bought a used Ram about a month ago and we had to drop a new engine in it because it stalled everytime i hit the gas and then let off and two cylinders werent hitting. It has the 5.9L V8. However, even after we put the new engine in im experiencing the same stalling problems. If i rev it to 3000 RPMS or so and then let off quickly, it will just stall out like the key was taken out. Since we had the throttle body from the old engine on the newer one we picked up, we switched it out so that the new throttle body was on as well. I thought that this would solve the problem, and it did for 2 weeks. However yesterday the problem returned and it still stalls out when attempting to idle or deccelerating. Im not sure that it is the TPS, since that would mean that both TPS' were bad on both throttle bodies and that seems unlikely. I cant afford to take it into a shop, so somebody please tell me what the problem could be
The tps is a ******* 20$ item, buy a new one put it in because it is two torx screws right on top of the engine. The tps wont set a code because range is inbetween 1 n 5 volts, a faulty tps will wear into a certain spot due to driving habit. I.E you never tromp on your truck and it wears into the normal driving rpm. Easiest way to check is replace, known to go bad as well as IAC sensor. both items under 50$. ALSO drill hole in both doors as ice is known to build up in bottom of door, i would drill as close to the hinge as possible due to gravity. SIgn is when u open ur door after rain water comes out of end of the door
Posted on Apr 04, 2009
"TPS" is your throttle position sensor located on the right side of your throttle body (if you are facing your engine) the function of the tps is to send imput to your pcm (power control module) by the movement of the throttle plate at idle/part throttle/wide open. the pcm will adjust air/fuel mix/egr functio/timing of spark based on tps imput by way of voltage signals. you can check for a bad tps sensor by using a voltmeter and back probing the tps connector. there are 3 wires with the connector tange facing up, the 3 wires are sensor ground (the wire closest to you) the middle wire is the sensor signal wire and the wire furthest away from you is the 5v supply wire. turn ign key to "on" (do not start engine) voltage should be between 0.2-1.4v with probes still inserted into the plug, slowly turn throttle pulley toward wide open throttle, youe readings should slowly rise to about 4.5v - IF NO VOLTAGE PRESENT- check wiring harness for supply voltage (around 5v) ground (0.3v) if both supply voltage and ground voltage present AND no output voltage tps FAULTY TPS. remove/replace tps. if voltage values exist, but are less than what they should be, look for problem with wiring harness, or bad pcm. my other thoughts are partially plugged fuel filter/pressure sensor, or a vacuum leak gremlin somewhere.
Posted on Feb 05, 2009
Too much back pressure will cause this same effect. Gas mileage will also show a significant drop. Mine was a clogged catalytic converter.
Posted on Feb 23, 2010
SOURCE: I just bought a used
I would look at the crank sensor or cam sensor,when the crank sensor in my ram went bad it would run when cold and then stall as soon as I put it into reverse,or when the engine warms up,check the ecm for codes,
Posted on Jan 12, 2009
SOURCE: 2002 Dodge Ram idle hunts
Sounds like a bad IAC motor or passages. This is usaully the cause of idle hunting. Could also have a vacuum leak in the bottom of the manifold. Look through throttle body with flash light. If you see oil on the bottom of the intake, the gasket is blown on the bottom of the intake.
Posted on Jun 02, 2009
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Posted on Jan 02, 2017
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