1993 xj v12 red hot catalytic converter
#1
1993 xj v12 red hot catalytic converter
1993 xj v12 red hot catalytic converter
any idea started the car, idling at 2000 rpm little high but usually, then slow dropped down to 1300 and felt had no power. only 6 cylinders working and cat was getting red hot...is clogged cat or bad sensor car has only 75k miles...thanks for any help
Last edited by Tino; 04-13-2019 at 05:42 PM.
#2
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#4
If I swap Ignition power module the problem should go to the other side, if has one per side..
In any case, this is the wrong forum for this car.
This forum deals with the V12 only to (and including) 1992 (and those cars did not use the Marelli ignition).
Last edited by sov211; 04-13-2019 at 07:20 PM.
#5
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A member of my Jag club used to have an XJS with a Marelli ignition that caught fire, which he rebuilt and renamed Phoenix.
Within a year it caught fire again, but this time the fire dept was unable to save anything and it went to the Great Jaguar Graveyard.
He now drives a Chevy HHR.
(';')
Within a year it caught fire again, but this time the fire dept was unable to save anything and it went to the Great Jaguar Graveyard.
He now drives a Chevy HHR.
(';')
#6
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If I swap Ignition power module the problem should go to the other side, if has one per side..
Might be the coil
But check the distributor rotor, as Gregory mentioned. They are known for burning out
Cheers
DD
#7
A member of my Jag club used to have an XJS with a Marelli ignition that caught fire, which he rebuilt and renamed Phoenix.
Within a year it caught fire again, but this time the fire dept was unable to save anything and it went to the Great Jaguar Graveyard.
He now drives a Chevy HHR.
(';')
Within a year it caught fire again, but this time the fire dept was unable to save anything and it went to the Great Jaguar Graveyard.
He now drives a Chevy HHR.
(';')
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#8
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And it caught fire (twice) because of the failure of the rotor and the resultant ignition of the excess fuel (from one bank of the engine) in the catalytic converter. Once is a surprise; twice is a lack of preventative mainenance...but within a year is a sign that the rotor was replaced with an aftermarket rotor - and these fail even more frequently!
Maintenance is Not his strong suit, only if it completely prevented him from finding the nearest pub.
Now that he was Forced by his own negligence to acquire another car, he's happily making his rounds again.
(';')
Last edited by LnrB; 04-14-2019 at 12:54 PM.
#9
#10
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Tino:
The forge aka "hot cat" might have "welded" the shift cable at it's terminus on the transmission.
Go down and under and see if it is still in place with the housing fiirmly clamped and the crimp[ sound.
Jaguar shift issues often cable related.
Search the archives. I've read of a modification to the distributor to assist in avoiding this issue. Errant spark. This system is two six cylinder distributors, one stacked over the other.
Carl
The forge aka "hot cat" might have "welded" the shift cable at it's terminus on the transmission.
Go down and under and see if it is still in place with the housing fiirmly clamped and the crimp[ sound.
Jaguar shift issues often cable related.
Search the archives. I've read of a modification to the distributor to assist in avoiding this issue. Errant spark. This system is two six cylinder distributors, one stacked over the other.
Carl
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