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[Diamond Black Geezer]

http://oldsite.omegaowners.com//forum/YaBB.pl?num=1152565204 

[cyberfarmer]

Thanks for the diagram. It seems that I would just block off all vac lines going to the Heater Matrix and just loop the vacuum from the brake servo towards the multi ram system.

Cheers

[Bojan]

How's progress on this?

[cyberfarmer]

Hi to all,

After a few runs and tests on the Omega sedan engine, I am finally satisfied to transplant the engine and all working components to my Omega Estate.





I have already removed the engine and transmission and ready for cleaning,



Some minor body work needed with the Estate:





Ill post some pictures later

Cheers

[cyberfarmer]

Any suggestions while I'm at it?

[Bojan]

Engine, while out of vehicle:
- exhaust headers gaskets - this is a must (they are a PIA to change with engine in vehicle)
- gaskets and seal rings - if possible (as earlier in posts)
- timing belt kit - if possible (althoug this is not hard to do with engine in vehicle)
- alternator - repleace bearing and collector bridge (if possible)

Vehicle (estate):
- wash and clean engine bay
- are you using an automatic gearbox? If not, loose those gearbox cooling lines
- consider relocating your battery into the trunk
- renew two 'earth' lines (thick light brown qires, one from battery to chassis, other from battery to engine, just below PAS pump) and clean joint points (where the wire is bolted to chassis) with fine sanding paper
- remove all the wiring that will not be used any more

[cyberfarmer]

Hi Bojan,

1. Engine
a. Gaskets - already replaced the exhaust header gaskets, rocker cover gaskets and other seal rings.
b. Timing Belt - already replaced including tensioners
c. Alternator - collector bridge?

2. Vehicle
a. Doing the preparation for engine transplant
b. Ordered engine support - $90 usd each
c. I'm using stock 4L30-e as there are no alternatives available only an auto tranny from an E39 and E23 Bmws
d. How to relocate battery? Ill be parting out an Bmw E39, maybe I can use the parts.
e. Renewing earth contacts

3. Wheels - I was told that 5x112 Mercedes Benz PCD can fit on the 5x110 Opels, is this ok as there are no available aftermarket wheels with 5x110 pcds unless I make use of wheel hub adapters?

Thank you very much

[cyberfarmer]

Headliner just newly re-upholstered fabric, same as OEM

[Bojan]

c. Alternator - collector bridge? -> the part with diodes

d. How to relocate battery? Ill be parting out an Bmw E39, maybe I can use the parts. -> search the internet for DIY battery relocation. I think E39 has battery in trunk, so you can use it's 'box'.

[cyberfarmer]

Already installed the engine and all parts from the running Omega sedan but now:

does not idle - shuts down unless you increase the throttle to sustain the engine running.

what can it be?

[cyberfarmer]

Using Autoland Iscan II
Codes are:
ENGINE
1. P004A - MASS AIRFLOW SENSOR VOLTAGE HIGH
2. P0087 - CHECK LIGHT VOLTAGE LOW
3. P0013 - INCORRECT RPM SIGNAL
4. P0015 - THROTTLE POSITION SENSOR VOLTAGE HIGH
5. P0039 - IDLE CONTROL VALVE VOLTAGE LOW OR AIR CONTROL SOLENOID VOLTAGE HIGH OR PRE THROTTLE CURRENT LOW

[Kevin Wood]

I recall something about the throttle position sensor wiring being different between some 2.5s. Are you using ECU, loom and TPS from one donor or have you mixed these?

[cyberfarmer]

Hi Kevin,

ECU - from donor car (Sedan)
TPS and other sensors - from donor car didn't touch them as it was running fine
MAF - interchanging but no effect

LOOM - from recipient car (Wagon)

Kept resetting the errors but still persistent with all 5 Errors

Thank you

[cyberfarmer]

DATA STREAM:
1. BATTERY VOLTAGE                                        13.6 V
2. TPS SIGNAL                                                 0.86 V
3. SIMULATED IDLE POSITION SWITCH                 INACTIVE
4. SIMULATED FULL POSITION SWITCH                 INACTIVE
5. INTAKE AIR TEMPERATURE                              33 c
6. INTAKE AIR TEMPERATURE                              2.93 V
7. COOLANT TEMPERATURE                                 87 c
8. COOLANT TEMPERATURE                                 1.05 V
9. MASS AIR FLOW SENSOR                                519 KG/H
10. MASS AIR FLOW SENSOR                               4.8 V
11. KNOCK SIGNAL                                            INACTIVE
12. IGNITION/INJECTION CUTOFF                         INACTIVE
13. HALL SENSOR                                              INACTIVE
14. VEHICLE SPEED                                            0 KMH
15. VEHICLE SPEED PULSE                                   RECEIVED
16. A/C INFORMATION SWITCH                            INACTIVE 0 V (NOT INSTALLED)
17. A/C COMPRESSOR SWITCH                             INACTIVE 0 V (NOT INSTALLED)
18. P/N SWITCH                                                P-N 0V
19. TORQUE CONTROL                                        INACTIVE
20. IGNITION COIL CYLINDER 1+4                        LOAD
21. IGNITION COIL CYLINDER 2+5                        LOAD
22. IGNITION COIL CYLINDER 3+6                        LOAD
23. ENGINE LOAD SIGNAL                                   0.8 ms
24. TPS LOAD SIGNAL                                        10%
25. FUEL PUMP RELAY                                         ACTIVE 0 V
26. A/C CUTOFF RELAY                                        INACTIVE 12 V
27. FUEL TANK VENTILATION                               0 V
28. SECONDARY AIR PUMP RELAY                         INACTIVE 12 V (NOT INSTALLED)
29. INTAKE MANIFOLD VALVE 1                            INACTIVE 12 V
30. INTAKE MANIFOLD VALVE 2                            INACTIVE 12 V
31. EGR SOLENOID                                             INACTIVE (NOT INSTALLED)
32. EGR PULSE RATIO                                         0 V (NOT INSTALLED)
33. EGR POSITION FEEDBACK                               1 V (NOT INSTALLED)
34. ENGINE TYPE                                               6 CYLINDER
35. TRANSMISSION CODING                                MT
36. ENGINE SPEED PULSE                                    INACTIVE
37. DESIRED IDLE                                              1600 RPM
38. ENGINE SPEED                                             1960 RPM (THROTTLE ON HOLD TO KEEP ENGINE RUNNING)
39. DESIRED AIR IDLE                                         17 KG/H
40. ACTUAL AIR IDLE                                           22 KG/H
41. IDLE AIR CONTROL                                        137 STEPS
42. IAC ADAPTER SLOPE                                      145 STEPS
43. IAC INTEGRATOR                                           128 STEPS
44. IAC BLOCK LEARN                                          128 STEPS
45. O2 SENSOR LOOP 1                                        CLOSED
46. O2 SENSOR LOOP 2                                        CLOSED
47. O2 SENSOR 1                                                78 mV
48. O2 SENSOR 2                                                98 mV
49. AIR FUEL RATIO 1                                           LEAN
50. AIR FUEL RATIO 2                                           LEAN
51. 02 INTEGRATOR 1                                          154 STEPS
52. 02 INTEGRATOR 2                                          154 STEPS
53. BLM IDLE 1                                                   128 STEPS
54. BLM IDLE 2                                                   128 STEPS
55. BLM PART 1                                                  128 STEPS
56. BLM PART 2                                                  128 STEPS
57. SPARK ADVANCE                                            31 cA
58. KNOCK RETARD                                               0 cA
59. INJECTION PULSE                                             3 ms
60. CHECK LIGHT                                                 ON 0 V
61. DIAGNOSTIC REQUEST                                    INACTIVE 5 V
62. TRACTION CONTROL                                       PRESENT
63. IMMOBILIZER                                                ACTIVE
64. IMMOBILIZER SIGNAL                                     RECEIVED

[Kevin Wood]

Does the idle position simulated switch activate when the throttle is released and the full throttle activate on full throttle?

Also, does the TPS load signal accurately follow the throttle position?

Were both engines fitted with the same type of plenum?

I think the TPS wiring was different between looms, as we've seen similar problems in the past where 3.0s have been swapped into 2.5 cars or long plenums fitted to 2.5s. You have the loom from a different car to the engine, reading this. If you have the other loom, it'd be worth trying that. Failing that, swap the plenum + throttle body and try that.