z22yh

  1. D

    Z22YH Fuel Pressure on cyl 2 & 3 (Pump modded)

    Hello everybody, I am griping onto my Signum 2.2 direct, frankly cause I like it a lot. Currently I'm having EML and power loss because fuel pressure low on 2&3. can be almost immediate on start up, or take 20 minutes. seems more frequent now, so car is benched. Thinking injectors were at...
  2. N

    Z22YH MIL light clears on engine re-start ; no fault codes stored

    Zafira-B, 55 plate. Engine hesitates and the MIL light comes on. Plugged in OBD reader and no fault codes are registered. MIL light clears on engine re-start without being reset by OBD. Have monitored fuel rail pressure when fault occurs. Nothing irregular. Had fuel pump and regulator...
  3. C

    Z22YH Spark plugs

    Hi what are the best plugs to buy for the z22yh please
  4. B

    Z22YH - Confussing Issue

    Hi All, I'm new here and I'm really hoping someone might be able to assist me as I'm really in a pickle over my wifes car. The Car in question: Vauxhall Zafira Life Auto 2.2 2006. Engine Z22YH A couple of weeks ago went in for recall work (The Aircon Resistor Issue) and came back fine, a few...
  5. D

    Z22YH Bad idle, reduced power, stalling and hesitatation.

    Hi, I've just been given a Signum 2.2, engine z22yh, off my father. I was aware of the issues, I have access to a Bosch KTS diagnostics tool. A brief bit of history of when the problems began, the car was having minor issues with power and the eml light was on, my father decided to take the...
  6. M

    Vauxhall Fault Code P1191-5a Help Needed

    My Zafira 2.2 (Z22YH Enginge) 05 plate Petrol went into limp mode and the amber spanner light came on. The RAC diagnosed a code P1191 Low Pressure Fuel input Sensor. My local garage have had it for 13 days now and still have not been able to diagnose the problem. When I called in to check on...
  7. M

    Z22YH What is broken Fuel Regulator or Fuel Pump ???

    I really hope someone can help me. My Zafira 2.2 (Z22YH Enginge) Petrol went into limp mode and the amber spanner light came on. The RAC diagnosed a code P1191 Low Pressure Fuel input Sensor. My local garage have had it for 3 days now and still have not been able to diagnose the problem. When I...
  8. O

    Z22YH starter motor part number ?

    My car is a late Nov 2005 `facelift' Signum 2.2 petrol. Does anyone know the part number for the starter ? What sort of a job is it to replace ? Regards
  9. spiff

    2.2 direct running rich

    Hi there. I have had the car put on opcom and have taken a photo of the screen and was wondering if anyone could tell me if they know why it is running rich?
  10. K

    Z22YH Low power

    Hi guys, I have a problem with my vectra engine and beg for your advice. Unfortunately none of my known mechanics does not have any glue where this issue comes from. Car starts without problems, accelerates well with 1st gear, but later power disappears until 4000 rpm. Above 4000 rpm it has a...
  11. Declaration

    Z22YH Sitting on a financial time bomb

    Hi guys recently bought a veccy that drives great and i am really really happy with it, no rattles or knocking noises coming from engine. However I dont know if the chain has been replaced! it has FSH but it looks like it only got and oil and filter over the last 4 yrs at 2yrs intervals, there...
  12. A

    Z22YH Another direct engine problem

    Hello and welcome to my thread all views welcomed. My car a 2005 2.2 direct SRI Last week it coughed slightly and went into limp mode spanner on the car showing on dash and would not rev over 3000 rpm. With been 100 hundred miles from home and no breakdown cover here is what i did. Checked...
  13. A

    Z22YH fault plz help car runs fine just weird fault

    hi all i have a vectra 2.2 z22 yh runs perfect its had new plugs, coil pack, full service and filters, my prob is when i drive of at about 3000rpm it has a cough then carry on normally, does not do it again will rev up to 6000+ rpm when driving easy just get the occasional p1191-52 code...
  14. Matt

    Update Engine Prefix

    As we are getting more members with the newer Z22YH engines joining up, rather than creating a separate section for them, I've created a Prefix to use on the thread title in the Engine Queries section. Choose the prefix when creating a thread, and this will then display on the forum page...
  15. J

    Z22YH EGR Blanking plate Info

    Hi everyone, I noted the part number for th above engine for the blanking plate : 55562899 Catalogue No: 851144. Now when this is fitted, what happens to the 2 holes left in the inlet manifold. Do these all come in a kit? Also, can you leave the EGR secured in the engine bay, or must I get a...
  16. E

    Chains Replaced But Engine Still Noisy

    Hello guys, My car is Vectra 2.2 Elite Direct Auto, year 2006 with 50K miles. I was having a slight rattle on cold start, the engine seemed a bit noisy on idle (seems fine when running) and rough gear changes, so after reading lots about it, everything pointed towards timing chain. So after...
  17. A

    z22yh & z22se compatibility

    Hi, just wondering if someone can help, basically I bought a 04 plate signun 2.2 direct with the engine gone (Z22YH) but they also supplied an engine with it, but it turns out its the Z22SE, from what I can make out all that's different is the head, conrod and pistons, now I'm just wondering...
  18. L

    Z22YH throttle body metal gasket/ tube

    Hi all. Ive just replaced my inlet manifold with sticky swirl valves for a sparkling clean one with nice and smooth flaps (you cant beat smooth flaps) I had a problem removing the throttle body off the old inlet manifold as one of the bolts had seized. I had to get a bit brutal with it to...
  19. J

    cracked head??

    Hi all I'm hoping I'm being paranoid but I'm a bit worried. I've a z22yh 2.2 petrol which I recently had to change the rocker cover because the bolts had been done up so tight it had been cracked. When I took the old one off it had a lot of white gunk in the top which I hoped was just due to the...
  20. D

    CAN I CLEAN 2.2 DIRECT Z22YH EGR VALVE.

    Hi.Hope you don't mind me asking a question reguarding a possible EGR Valve problem.Got car/spanner light on plus engine amber emissions light.Used Snap On diagnostic and indicated EGR Valve .Also went to VX to Tech 2 but they could not be sure what the problem was. I have just joined so this...
Top