1993 Jaguar- gave a tune up now won't start.... was making a sluggish engine sound.-- a clunk missing noise?????? AHHHH

the only thing in the door is your window mechanism

universal joint bad or rear end bearing no car make model

You can take out the spark plugs, keep track of your spark plug wire order, try to crank it over see if the engine turns over.


Check voltage on your new battery, some need to charge when new.

check for corrosion on the battery and starter cables.

here are few components that can cause such problem.Its advisable to click the link below and follow the troubleshooting to correct the problem.
Engine makes noise? http://howtobyme.blogspot.com/2011/12/engine-makes-noise-and-cooling-fan-belt.html

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Chirping sound coming from engine? http://technoanswers.blogspot.in/2012/01/chirping-sound-coming-from-engine.html
--------- Vehicle making Clunk Thump Thud noise? http://howtobyme.blogspot.in/2012/03/vehicle-making-clunk-thump-thud-noise.html

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Car Engine Overhaul Tips? http://vwrepairhelp.blogspot.com/2011/11/car-engine-overhaul-tips.html

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HOW TO PERFORM A BASIC ENGINE TUNE UP-OIL CHANGE
http://schematicsdiagram.blogspot.com/2011/08/how-to-perform-basic-engine-tune-up-oil.html

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Rattle noise from engine? http://whatisbyme.blogspot.in/2012/05/2005-toyota-corolla-rattle-noise-from.html

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These will help.
Thanks.

possibility that who ever performed the tune-up messed up the firing order and now it does not want to start and you get a clunking noise from the engine is because of this.

Dear,
Next time buy a Honda, you won't have trouble like this.

Allah Akbar!

Check to make sure the firing order on the wires is right. Also make sure the wire from the coil to the cap is tight and well connected at both ends. I have also forgotten to put the rotor back myself more than once..If you have both spark and gas..it has to fire. If one is missing you don;t go....

can yo give us some more detail like what does the noise sound like? does it get louder as you rev the engine or does it stay the same? Does it do it all the time? is te motor mounts worn out and make a clunking noise?

I would make sure the engine is properly tuned. The miss fire condition could be making the transmission run poorly. Once the miss fire is repaired , then recheck the transmission.

The miss fire can be caused by several things after the tune up is done. The ignition coil, the fuel pump and filter , the computer , injectors do carbon up.

So when getting the tune up ask to have the injector cleaning done. The injection cleaner for the engine is from the dealer . They have a special cleaner . This is a common repair per Chevy to have the injection service done.

Good luck

it could be an ignition switch,when it happens try wiggling the key while holding it in start position. also is there a clicking, or a clunk sound when problem arises, if there is then the starter solenoid is bad (most starters have the solenoid mounted right on it) so replace starter if you here a click/clunk noise w/starting