My 1992 jaguar was running a bit sluggish when i bought it so i did a tune up the spark plugs the wires oil change, and also replaced the mass air flow, fuel sencor and the 02sencor checked the fuses and now it won't start?? Any ideas?
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Re: My 1992 jaguar won't start
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....
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If it runs good in park or at idle but is slugish when you try to accelerate it is likely a fuel issue. I would start with a new fuel filter. When you press on the gas you need more fuel pressure and if the pump cant get more through the clogged filter you will get that. If it runs bad even at idle it is likely a spark issue and needs new plugs and wires. I would give it a good tune up - oil change, spark plugs (platinum or iridium), plug wires, air filter, fuel filter, PCV Valve and see how she runs after that.
Having replaced the computer, best thing you could do now is a complete tune up-new spark plugs, wires, distributor cap, rotor, air and fuel filter. Change the oil and check all fluids. Have the computer scanned for trouble codes. Check if your catalytic converter is blocked or clogged-if bad, they will plug up and stop the car.
The "won't rev" part sounds like a preventative so you won't destroy the engine from cold start-up. The sluggish part sounds like bad fuel or spark plugs. Where do you buy your fuel and what octane is it? and have you Changed your plugs?
When did you last have a tune up? Sounds like it's not running on all four cylinders. Check the oil to make sure they filled it to the correct level, but the oil change should not be related. With the engine cold, check the wires at the distributor cap, to make sure they are inserted completely, also that they are connected properly to the spark plugs. If you're not sure when it was last tuned, or it's been quite a while, replace the plugs, plug wires, distributor cap, and rotor. It won't cost much for parts, and you can do it yourself to save $$. Let me know how it goes, or if you need further help. Curt
Ck your exhaust pipe at rear of car noting any obnoxious smell like rottrn eggs. Hold a piece of paper, I use a dollar bill ,in in front of the exhaust. If it blows the paper gently, you have a catalyctic converter going or is bad. Will need replace if so.
check the plug wires make sure tere are lined up propely then double check the spark by removing the #1 plug and see if it sparks when some one ealse trys to start it word of advice don't be hoding plug wire when they start it