Unable to rev engine above 2,200 RPMs?

222,000 MILES • 3.0L • V6 • 2WD • AUTOMATIC
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ETHER727
  • MEMBER
  • 14 POSTS
Hello,

I installed the thermostat on my car, I had the battery disconnected for a while. When I started the car, I notice I was unable to rev the engine above 2,200 RPMs. The Engine light and TPS light are on, I bleed the anti-freeze for any air. The scanner is giving me some readings that are not making any scenes, the first being the throttle actuator position code P2176. From what I understand the learn procedure requires me to rev the engine to 3,000 RPMs. But, if that’s the problem, why am I unable to rev the engine above 2,200 RPMs? There are other readings, I made sure everything is connected.
Oct 25, 2023 at 2:15 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,244 POSTS
Hi,

Did this all start after replacing the thermostat? I suspect the wiring or connector has been moved, damaged, or disconnected.

Do me a favor. Take a look at the diagnostics below. Let me know if you are comfortable following them. They are specific to the code you have.

Let me know.

Take care,

Joe

See pics below.
Oct 25, 2023 at 12:31 PM
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