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[theolodian]

OK, so Timbuk's miggy is running somewhat rough.  Terrible mpg, hissing in plenum, hair out the tailpipe, EML, and seems to be running on about 4 cylinders.  Idle is smooth, runs evenly enough considering all this.  He will do the paperclip in the morning, but would like any comments from here as well.  (Other than checking the fuses!)

[TheBoy]

Has it had a hell of a backfire?

[Markie]

hair out tailpipe - massive backfire and potentially the box baffles have been blown   running on 4 cylinders - check plugs for oil and then .....dis pack

[JamesV6CDX]

Hair kept on coming outta the back of my V6 exhaust, until there was no more to come out - it's throaty now

[Markjay]

OK, so Timbuk's miggy is running somewhat rough.  Terrible mpg, hissing in plenum, hair out the tailpipe, EML, and seems to be running on about 4 cylinders.  Idle is smooth, runs evenly enough considering all this.  He will do the paperclip in the morning, but would like any comments from here as well.  (Other than checking the fuses!)

Pour a bottle of Redex in the tank  

[Markjay]

Ignition problems:
DIS (as suggested) will explain why two cylinders are out under load
HT leads, spark plugs...

Air/Fuelling:
Blocked air or fuel filter, faulty fuel pump, faulty/dirty injectors...

Engine management:
Any of a number of sensors failing confusing the ECU...

Exhaust:
The exhaust collapse may be un-related, but it could also be that the exhaust is partially blocked

Timing...?

Did I miss anything....?

[TheBoy]

Ignition problems:
DIS (as suggested) will explain why two cylinders are out under load
HT leads, spark plugs...

Air/Fuelling:
Blocked air or fuel filter, faulty fuel pump, faulty/dirty injectors...

Engine management:
Any of a number of sensors failing confusing the ECU...

Exhaust:
The exhaust collapse may be un-related, but it could also be that the exhaust is partially blocked

Timing...?

Did I miss anything....?

Bratz voodoo?

[STMO123]

Or it could just be that when the exhaust is unblocked/changed, the rest will disappear

[Martin_1962]

Or it could just be that when the exhaust is unblocked/changed, the rest will disappear

2 cylinders out = DIS

1 cylinder out would be lead, plug or injector

2 cylinders out is painfully slow

[Markie]

are we any further forward with this - dont see the correlation between exhaust and engine issues....so far  :-/

[Admin]

Oh dear, sounds like a poorly Omega.

2 cylinders out is the DIS pack most likely.

Hairy exhaust means a visit to Vx for a shiny new back box, and I suspect a pair of centre sections.

This is not going to be cheap...

[STMO123]

My line of thinking was that if the exhaust were blocked the back pressure could cause big problems, esp as idle is smooth.

[theolodian]

Oh dear, sounds like a poorly Omega.

2 cylinders out is the DIS pack most likely.

Hairy exhaust means a visit to Vx for a shiny new back box, and I suspect a pair of centre sections.

This is not going to be cheap...

Timbuk will check the error codes in the morning.  He is convinced it is 2 cylinders down, not one.  The DIS is Horizontal with a square plug.  Remeber the coolant hose from the oil cooler just went last week and soaked the DIS.

He has new center sections, will get cheap rear box if req'd.  Pre-facelift 2.5 Estate.

[STMO123]

 Remeber the coolant hose from the oil cooler just went last week and soaked the DIS.

Didn't know that

[Markie]

 Remeber the coolant hose from the oil cooler just went last week and soaked the DIS.

Didn't know that

coolant hoses and hbv failure often causes dispack issues if theres a soaking