Starts and then shuts off after 2000 RPM

Tiny
GE'Z
  • MEMBER
  • 1999 HONDA ACCORD
  • 2.3L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 350,000 MILES
My car starts and will stay on idling, but if I push the gas pedal to 2000 rpm and lLet It go it shuts off, like it was not getting gas or not enough power. I noticed that my O2 sensor downstream is not connected. I changed my oil pump alternator and O2 sensor upstream is new.
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Tuesday, January 17th, 2017 AT 2:44 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,554 POSTS
Hey GE'Z,

There are a couple things that can cause this, vacuum leak, throttle bore service or an intake boot that is cracked. I will give you some guides for you to do to see if you can find the problem.

https://www.2carpros.com/articles/replace-an-air-intake-boot

and

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

and

https://www.2carpros.com/articles/throttle-actuator-service

Please run some tests and get back to us.

Best, Ken
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Sunday, February 19th, 2017 AT 2:32 PM

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