I talked to Ron yesterday about a problem that I had w/ my pickup and he suggested based on my description that I replace the TPS and EGR valve. When I went to install them I discovered that they were the wrong ones. When I returned to the store, the clerk matched what I had for the TPS and discovered that they were for a 1998 model even though the door sticker says that mfr date is 7/97. He also said that that model doesn't have an EGR valve. So now what?
Nearly every vehicle on the road has an EGR valve. Exhaust Gas Recirculation Valve is a standard for emissions control. You took one off, it's probably still good, but since it's off, replace it anyway. Sa for the throttle position sensor, it makes no difference about your mfg date on the door post and being a '98 part, it's the same and your mfg date is definitely a 1997. The don't change model year until late September. TPS still should be the same part number.
SOURCE: 97 Dodge Ram 1500 Club Cab w/n turn over
Common problem with Dodge Rams. Nobody has the right parts (dealer only) the right part numbers, or the right diagrams or component lists or locations.
The 5.9 L most likely has no EGR valve, as mine does not. It does however have an Idle Air Control Valve located at the back bottom of the throttle body, which if removed, will show carbon buildup, preventing proper fuel/air mix.
You also may have a vacum leak at one or more vacum hoses on the intake manifold, a leak at the vacum ball that stores vacum for working the vent controls when the engine is off. It looks like a big black ball, and has a vacum line going from the top of the intake to the ball, maybe located behind the RH pass headlight. The rubber hoses dry oput, crack, and rot after a few years due to OZONE exposure from the air. Go ot and buy 6 or 8 feet od 3/32 rubber vacum hose, and replace everything that is suspect. Look for cracked Ts. Dont forget to check the larger vacum hoses that go to the charcoal canister and fuel tank vent valves. The rubber elbows have a tendency to pop off the charcoal canister connectors on a hot day if you overfill the gas tank, and the rubber elbows are old and stretched out.
God Luck.
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