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How to change spark plugs on a 1998 jaguar XKA

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Do you mean xk8? if so remove air filter housing cover, breather hose, and intake trunking. on rh bank then 7mm headed bolts remove coil cover and coils and you will find the plugs. other side the same only no air filter or hoses

Posted on May 13, 2017


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Posted on Jan 02, 2017


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1 Answer

1998 Jaguar wont rev past 4000 rpm

Check the spark plugs are the exact recommended specification.
I have just replaced the plugs and coils on my 1996 Jag, and when I accelerated hard, the engine would shut off at 4000 revs, the engine check light would com on briefly and the tacho would jump about. Long story short, the recommended plugs were (NGK) BCPR6ES ( R for resistance), I put in BCP6ES (no resistance). When I put the old plugs back in, it was back to normal, when I stepped on kittys tail, it got angry real fast all the way to red line! Resistance spark plugs were originally to suppress electrical interference on the radio, modern engines also need to suppress electrical interference to the engine management system.

Oct 20, 2012 | 1998 Jaguar XJ8L

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1998 jaguar xj8l, it wont start, i can hear the fuelpump come on but also hear gas pouring back into the tank, is this normal or has my fuel line come loose?

Have verified the injectors are energized and if the ignition coils are firing the spark plugs. Do your rpm indicator show the engine is turning and sending a signal to the rpm gauge.

Nov 16, 2011 | 1998 Jaguar XJ8L

1 Answer

My 1999 xj8l has a tick in the engine And a miss and it fludders when I hit the gas

Try this, wait for the dark of night. Start your engine ,open your hood and look closely at the spark plug wires. If you see sparks jumping over and across the wires change the spark plug wires. They are probably old and worn. While your at it change your spark plugs. Your car should run one hundred times better after this small and easy repair. GOOD LUCK.

Sep 01, 2011 | 1998 Jaguar XJ8L

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Jaguar xj8 2001 just completed timing chain & tensioner replacement. engine cranks won't start, what is the best trouble shooting sequence to use?


Jul 04, 2011 | 1998 Jaguar XJ8L

1 Answer

Where are spark plugs on 98xj8l jaguar

they are centered on the heads underneath the small cover plate with Jaguar logo that runs down the
top of each cylinder bank, a proper socket set should do the job...but the last
plugs near the trans can be interesting to get to due to location.
might be easier in an xj chassis rather than the xk, xk you have to
get 'creative' to some extent to get the spark plug socket down the

Mar 25, 2010 | 1998 Jaguar XJ8L

1 Answer

How do I change the plugs on my 2002 jaguar x-type 2.5 v-6?

Disconnect the negative battery cable. Then start at the front of your engine. Pull the spark plug wire off the spark plug from the boot that covers the spark plug. Remove spark plug from engine block, take new spark plug, check for proper gap and adjust if necessary, and then install new one into block. Repeat for the rest of the plugs. Re-connect negative battery cable and you should be good to go.

Jan 29, 2010 | 2002 Jaguar X-Type

1 Answer

How do change spark plugs on a 1998 xj8

Remove plastic cover over the engine ( three screws).
You then have access to the front three spark plugs (cylinders 1,3,5) remove the nut which holds down the independant coils and remove the spark plugs, fit new spark plugs and fit coils on the three front cylinders.
Now it gets a little tricky, you will only be able to access number 2 back cylinder so you have to remove the induction manifold (12 bolts I think) to access the back three cylinders (2,3,6,) properly.
Then proceed as with the front three spark plugs, refit manifold and plastic cover,

Sep 29, 2009 | 1998 Jaguar XJ8L

1 Answer

Is it difficult to replace spark plugs in a Jaguar XJ8

Your car does not have plug leads so that will save you a job,the spark plugs are fairly easy to do tho.
Open the bonnet,either side of the engine at the top there are 2 black covers bolted to the top of your engine,bolted to those are 2 smaller covers,remove the 2 smaller covers which will reveal your ignition coils,remove the ciols and your spark plugs are there.
You will have to remove the air filter assembly tho on the right hand side which is easy enough,remove the bolts from pipe at the rear middle of engine,undo the clips which houses the filter and disconnect the engine breather pipe.Re assemble in reverse order,
N.B the spark plugs dont want tightening too tight..or too loose,when the plug nips up just give it a little nip again..GOOD LUCK

Dec 14, 2008 | 1998 Jaguar XJ8L

1 Answer

Slow Jaguar x type

check your intake manifold for leaks if you recently had your spark plugs change, or it could be incorrect spark plugs, or bad temperature senser.

Aug 20, 2008 | 2002 Jaguar X-Type

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