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1991 Acura Integra Poor acceleration

Tiny
BRONCO419
  • MEMBER
  • 1991 ACURA INTEGRA
  • 4 CYL
  • 2WD
  • MANUAL
  • 150,000 MILES
Car idles fine, but hesitates when accelerating from a stop. Once engine rpm’s reach 3000 car performs normally. Problem not as severe when engine is cold. I removed and replaced the engine temp sensor (no change). History: Check engine light illuminated. ECU code was fuel pressure low. I removed and replaced the fuel pump, fuel filter, and pressure regulator. No check engine light since maintenance performed.
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Sunday, September 7th, 2008 AT 9:47 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi Bronco419,

I don't believe there is an error code for fuel pressure low. Can you please provide the code?

I would check the Throttle Position Sensor, O2 sensor, Intake Air Temperature and MAP sensor.
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Monday, September 8th, 2008 AT 9:13 AM

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