Impala While undergoing many facelifts in its history, the Impala has proved itself to both civilians and police forces as one of the most capable 4-door cars GM has ever offered. Currently moving towards its 10th generation the Impala is one of the longest lasting and popular models.

2014 Chevrolet Impala
Includes: Bel-air
Platform: B-body & W-body

3800 Series II Motor: What is this?

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Old November 17th, 2015, 9:05 PM
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Default 3800 Series II Motor: What is this?

Hi there. I am new to this forum. A proud owner of a 2003 Chevrolet Impala LS.

I believe this may be some sort of vacuum line, but I'm not sure. Here is a picture below. (Not my motor.) It has a little tear in it, big enough to display a "check engine" light on the dash. Any help would be appreciated.
Old November 17th, 2015, 10:58 PM
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vacuum port for the fuel pressure regulator and evap purge solenoid. if its cracked you will get lean codes setting at idle. replace part.
Old November 18th, 2015, 3:23 PM
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Thank you for the response. I have one ordered.
Old November 23rd, 2015, 2:46 PM
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Mine was cracked as well causing issues. I put a glob of RTV over it and left it dry before I ran the car again. It held up until the replacement arrived at my dealer.
Old December 3rd, 2015, 7:08 AM
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Do you only have codes p0171 and p0174 for the check engine light?




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