Won't start after some fiddling..

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Camo
Posts:15
Joined:Wed Mar 10, 2010 3:15 pm
Won't start after some fiddling..

Postby Camo » Thu Apr 08, 2010 7:12 pm

Started the car today and drove out of the garage, decided to change the ht leads, cap and coil from screw in type to push on, did this then would not start, so swapped it all back, still nothing.
I have spark and have not knowingly misplaced a wire on the coil.
It's not even firing, there is popping and almost backfiring through the Automatic choke, plumes of spitting vapour...
I am thinking this has given up. the plugs are dry when removed, there is spark and there's petrol getting to the carbs.
bnut none seems to get to the cyclinder head..
What to do first ?
Thanks

Stuart

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almcl

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Location:Shropshire

Postby almcl » Fri Apr 09, 2010 7:11 pm

Check the static timing and that the lead going to no 1 cylinder is being pointed at by the rotor arm.
Al McL
'93 XJS 4.0 - '20 XF 2.0 Sportbrake

Camo
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Joined:Wed Mar 10, 2010 3:15 pm

Postby Camo » Sat Apr 10, 2010 12:09 pm

Found out what it was after alot of checking, then rechecking... the new rotor arm had broken its securing knob and was not sitting where it should !
its always the simple things you miss !
Still I learnt some things so its not all bad now that I'm up and rnnung again :)
Thanks for the advice Almcl that would have shown me the fault had I not found it already.

Stuart

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almcl

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Postby almcl » Sun Apr 11, 2010 10:38 am

Glad you sorted it!

I've just replaced almost the entire ignition system on my DD6, only to find it was the throttle potentiometer that was causing the trouble :oops:
Al McL
'93 XJS 4.0 - '20 XF 2.0 Sportbrake

Camo
Posts:15
Joined:Wed Mar 10, 2010 3:15 pm

Postby Camo » Mon Apr 12, 2010 5:45 pm

ahhh potentiometers...... my other classic is a Stag with Rover V8 and Vitesse EFI, carbs are so much easier !!

Stuart


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