Land Rover Repair: 95 Disco difficult starts - flooding?, vacuum leaks, starter battery


Question
Was running great. now it floods and won't start esp. when it is cold. Acts like it is fixing to turn over but doesn't. Help me Please!!!!!!!!

Answer
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Hi Sarah,

thank you for the kind words of appreciation.  If you or your son ever need some advice or a techsheet describing how to repair a component on your Disco, just send me an email.

Regards,

JohnMc
jmcinnis64@hotmail.com

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Hi Sarah,

here's what I would do if this was happening to my '95 Disco:

I would first establish if fuel is getting to the engine.  Check the engine for fuel odors; remove a spark plug, examine the sparking tip; smell for fuel.

If you suspect your engine is flooding (smell fuel in engine compartment) it's very probable that you have an ignition spark problem.

If you have not changed the spark plugs and wires for some time, this would be the first thing to do.  IF you don't know when they were changed...it's been that long...it's time to change them.

Check to make sure the HT lead from the ignition coil is well connected.  The coil should be found beside the radiator. IF changing the wires did not improve your starts, the coil should be inspected and tested by a local mechanic.  Most know how to test the coil and have the tools to do it.

IF you have fuel and your spark plugs and wires are all in good condition, it could be your starter motor that does not have enough power from the battery.  I say this because it's hard to tell, from where I am sitting, what type of starting problem you may have.  

Difficult starts are usually ignition (spark), fuel or starter/battery related.  Sometimes vacuum leaks and sensor failures can be the cause, but this requires more equipment that is often not available to DIY'ers.

SO...you have to ensure you have a strong battery, clean (new) spark plugs and wires and that ALL spark plugs and wires are firmly 'seated' on their contacts.

THEN...if all this is still good...you may have to look at the distributor (cap and rotor).

A good test is to take a spray bottle (fine mist) and fill it with salty water.  Not too salty...just enough to taste like sea water (ughhh).  At night, finely spray a mist around the spark plug wires and distributor AS some tries to turn the engine over.  IF the distributor cap has a crack OR if the wires are NOT as good as you had thought, this technique will reveal tiny arc's of electricity.  That's why it's done at night or in a very dark garage.

DON'T OVERSPRAY and SOAK everything in salt water!!!  Just a very, very small amount is needed.

I hope this is helpful.

Best of luck,

JohnMc