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Author Topic: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)  (Read 42243 times)

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Doctor Gollum

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Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)
« Reply #60 on: 04 February 2025, 15:58:19 »

And the line that always gets missed between the TB and the rear multiram accumulator.

Not to mention the Top hat seal of it splits when the breathers are disturbed...
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olm

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Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)
« Reply #61 on: 04 February 2025, 20:18:43 »

What seal? Where is?
« Last Edit: 04 February 2025, 20:22:51 by olm »
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Doctor Gollum

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Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)
« Reply #62 on: 04 February 2025, 22:48:04 »

Under the breather bridge.

If you press or lift the Ecotec plate on top of the plenum with the engine running as you spray carb cleaner along it and you hear the engine rpm change, that's your leak.
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cam.in.head

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Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)
« Reply #63 on: 05 February 2025, 12:44:57 »

have you got ( or can you make or borrow) a smoke machine tester ?
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olm

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Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)
« Reply #64 on: 06 February 2025, 22:13:44 »

Under the breather bridge.

If you press or lift the Ecotec plate on top of the plenum with the engine running as you spray carb cleaner along it and you hear the engine rpm change, that's your leak.

Ok, I will see, thanks
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olm

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Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)
« Reply #65 on: 06 February 2025, 22:17:00 »

have you got ( or can you make or borrow) a smoke machine tester ?

No, but I'm thinking of doing one  ;D
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cam.in.head

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Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)
« Reply #66 on: 07 February 2025, 08:19:58 »

plenty of home made ideas on youtube . even saw one where someone used a vape pen !
at the end of the day ( and especialy if its not something you are going to use regularly ) any method of producing and pushing out some kind of smoke will work !
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olm

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Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)
« Reply #67 on: 01 April 2025, 08:59:59 »

Hi, I finally ran the smoke test. There were no leaks and everything was pressurized. Do you check the entire RAM system with the engine off? The car is still the same, and worse on the highway than in the city.
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