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1

Omega General Help / Re: Dtc u2100 and 2108

« on: 07 June 2025, 03:39:11 »

Now about to look up codes currently, but what codes are in the gearbox and abs ecus?

None, only those DTCs appear. It's manual

Is your reader capable of reading ABS, or is it only a generic OBDII reader?

It's a Delphi system, but it can't find anything in the brakes section. Now I've seen P0500, which is the speed sensor. Could you tell me which sensor it is? I imagine it's one of the ABS sensors?

0500 is a general fault. The specific sensors will have a number allocated to them 0xx1, 0xx2 etc

Thanks, my friend told me he also has the O P com,   let's see if I'm lucky and can see it

2

Omega General Help / Re: Dtc u2100 and 2108

« on: 01 June 2025, 17:09:47 »

You need to read the ABS system to discover what is causing it, and if it is one of the ABS wheel sensors.

The engine ECU complaining about road speed will be a sign the ABS isn't happy with something, but you do need to interrogate the ABS to find out what.

Wow, I can't find anything in the brakes section. I'll ask a friend who has an Autel machine to see if that one can read it.

3

Omega General Help / Re: Dtc u2100 and 2108

« on: 01 June 2025, 12:47:00 »

Now about to look up codes currently, but what codes are in the gearbox and abs ecus?

None, only those DTCs appear. It's manual

Is your reader capable of reading ABS, or is it only a generic OBDII reader?

It's a Delphi system, but it can't find anything in the brakes section. Now I've seen P0500, which is the speed sensor. Could you tell me which sensor it is? I imagine it's one of the ABS sensors?

4

Omega General Help / Re: Dtc u2100 and 2108

« on: 29 May 2025, 17:02:35 »

Now about to look up codes currently, but what codes are in the gearbox and abs ecus?

None, only those DTCs appear. It's manual

5

Omega General Help / Dtc u2100 and 2108

« on: 29 May 2025, 04:19:49 »

Hello everyone.
I've recently been seeing these fault codes intermittently. The ABS and TCS lights come on, and the speedometer stops displaying.
It seems to be a CAN bus issue. Could it be the ABS sensor that measures speed, or should I look at something else?
Thanks.

6

Omega General Help / Re: Omega 3.2 P0130 P0150 fault codes triggered

« on: 05 April 2025, 12:19:04 »

Interesting about the vacuum leaks, could you tell us where those leaks were?

7

Omega General Help / Re: Which oil for V6?

« on: 01 April 2025, 09:04:39 »

I use Shell 5-40 and it works very well for the mayonnaise that these cars usually make, it practically doesn't make any and it uses a very good base.

8

Omega General Help / Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)

« 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.

9

Omega General Help / Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)

« 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 

10

Omega General Help / Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)

« 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

11

Omega General Help / Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)

« on: 04 February 2025, 20:18:43 »

What seal? Where is?

12

Omega General Help / Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)

« on: 04 February 2025, 15:48:09 »

That vacuum line of the brake booster already broke down and affected the brake and the weather that only threw hot air at my feet in summer. Now I don't notice any of that, I can only think that some valve of the multiram can cause it, since it is the only thing I have left and that the problem is not continuous, maybe 3-4 times in these months it has gone well, but the next day bad again

13

Omega General Help / Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)

« on: 04 February 2025, 11:20:41 »

I haven't missed any, in fact when disassembling the multiram the air leak sounded when disconnecting the air accumulator pipe. Can there be a leak in the brake booster? I don't notice anything strange but I don't know what to think anymore

14

Omega General Help / Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)

« on: 04 February 2025, 09:10:18 »

Hello, I continue to have problems with high LTFT, a problem that is aggravated in lpg. I have checked vacuum tubes and changed MAF and it remains the same. What else could a high LTFT produce? Any idea what else to look at? Do you think that the failure of a multiram valve could create it?

15

Omega General Help / Re: Omega 2.6 V6 - P0170 and P0173 (Fuel Trim Malfunction Bank 1 & 2)

« on: 13 October 2024, 08:24:07 »

Hello, I take advantage of the topic to comment that for a few days I also have problems with high LTFT. Suddenly I observed an increase in consumption and the LTFT values ​​are over 10-14%. I have checked the vacuum lines and everything seems to be fine, the lambda probes have 45,000 km but it is rare for both to break at the same time. The MAF has about 30,000 km, it seems strange to me that it fails so soon. Any ideas on what to start looking at?