Question about 1996 Land Rover Discovery

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Over heating causes truck cut off, and will not turn back on until cool.

SUV only has 87000 mi. Before heating problem I also experience electrical problem. Starting from dashboard lighting to window and seating malfunctions. I have replaced fuel pump, alternator, relay switches, fuse and battery. I've changed oil, had radiator flushed. SUV has also had front end damage due to a less than 5mph. Fender bender. Not even big enough to deploy air bag.

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  • 13 Answers

Do compression check to check for bad head gasket or cracked block or head

Posted on Apr 11, 2014


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Posted on Jan 02, 2017


Roberta Smith

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SOURCE: cant find fuel relay for 97 LR disco

the relay is likely located in the engine compartment fuse back near the battery. also be aware that there is a fuel cutoff switch/button located in one of the side panels at the rear


Posted on Jan 16, 2009


  • 31 Answers

SOURCE: 1998 land rover discovery fuel pump/relay

Under the hood next to the firewall is your multi-function box. It controls fuel and other things in your truck. You can pull your fuel supply line loose at the back of the injection rail and have someone turn the key on to see if you are getting fuel. If you are not, you will need test for power to the multi-function box and fuel pump. If you don't have a basic understanding of how to test for power to these components, my advice will not be much of an immediate help.

Posted on Mar 30, 2009

Azum Saeed

  • 400 Answers

SOURCE: Electric windows and mirrors not working-not a fuse

There is a posibility that the connections may have been block or the connection to them is broken ... this also happens while servecing car the water get is the main system but happens real rear ... so you can go to work shop and ask electrition for check ..

Posted on May 31, 2009


  • 115 Answers

SOURCE: my 2000 diesel 2.o freelander propshaft was

Hi ,
Not easy this one,when your turbo failed the oil feed to the turbo bearings continued to feed engine oil into the intake side(could not turn off),the engine is then Un-governed and free to rev way above maximum limit,it has then massively over heated, the oil treatments are unlikely to cause this problem ,usually down to not letting the Turbo "wind down " after driving,The best course of action is to replace the engine and turbo charger and have the induction pipes and intercooler properly cleaned ,there are no cheap fixes for this you were just unlucky.

Posted on Jul 11, 2009

Jay Mat

  • 4 Answers

SOURCE: Right turn signal won't work after replacing bulb 2004Range Rover

I've had the same problem. It is the actual socket that the bulb plugs into - it is defective. Try removing the light unit and turning the bulb a bit (with the indicator on) and you'll see that it will slow down once it makes contact. Very annoying!!!! RR should have had that fixed ages ago. May need new socket.

Posted on Aug 09, 2010

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Will not start unless I use starting fluid then dies after awhile and will not start until it cools off. Battery lite is on the period it is running

Don't know what you drive. I have had a couple cars which when they set for a while took a while to crank. all 3 of them turned out to be the fuel filter. They were all GM but the fuel filter had a check valve in them which keep the fuel from flowing back to the gas tank. changed fuel filter and they cranked fine after that.
In my cars when the battery lite stays on it has meant the alternator is not putting out the appropriate voltage to run and recharge battery. Only vehicle I ever had which required letting it cool off to crank back up had a bad coil it would get real hot and until it cooled the truck would not crank. Maybe some thing electrical is over heating maybe a relay or something. Sorry I really can not give you a fix but it is ideas based on my past experience. I have had many vehicles over the last 45 years.

Jul 30, 2017 | Cars & Trucks

1 Answer

My car cut off several times today, after display the following message engine reduced, car slowing down.

the engine goes into safe mode when information is transmitted
to the control hardware of the engine/gearbox that there is a fault somewhere on the vehicle that has been detected by the sensor
system The act is performed to prevent more serious damage from happening than would occur if the engine was left to function at full power.
The cause should be indicated by a code that can be read through a scan of the vehicle's OBD, (ON BOARD DIAGNOSTICS,) Without access to this code it is difficult to say whether your malfunction is related to heat affecting the car.
The likelihood is that something has been exacerbated by the weather conditions but that the heat is not the cause. Something else will probably have been going on. previously that has worsened with heat.
The engine is obviously hotter in such conditions .....the engine runs hotter....the cooling system might be at it's limit.
Fuel evaporation might be taking place that might cause the sensors to meter functions less efficiently than might otherwise be the case. should have a dealer perform a diagnost scan of the OBD so that you can obtain the code or codes necessary to identify the cause

Jul 18, 2015 | 2008 Chevrolet Impala

1 Answer


Sounds like the ecm module is over heating . When it gets hot it will cause those kind of problems and when it cools of it will start untill it gets hot again good luck.

May 19, 2013 | 1999 Chevrolet Tahoe

1 Answer

Shuts off when idle or braking, dealer cannot duplicate problem

I'm afraid this is a common problem that has no quick fix. Not common for Mazda cars but common for all brands.
The shop can not fix it if they can't duplicate the problem.
Normally I would say it is electrical and probably a relay failing. Which one is anybody's guess.
If the ignition module or fuel pump fails from heat it takes a few minutes to a couple of hours for the faulty part to cool off and restart.
A small relay can break down and come back to life quickly.
You might try replacing the relays that are most likely to cause the problem but that would only be a gamble.
You might also try looking for Mazda owners groups online and post this question there. A fellow owner might have the same experience.

Jun 27, 2012 | Mazda Cars & Trucks

1 Answer

I have a 1998 gmc 1500 truck with aprox 100k on it, the truck is in terrific shape and is garaged kept. It will run for 52 mi (give or take a few) and bog out until it stops completely. It will turn over...

These problems can be the hardest to find. Usually what I do when I encounter a vehicle like this is to hook up a fuel pressure gauge, exhaust back pressure gauge, and my scan tool [plus a snack for myself] and start driving until the problem pops up. If fuel pressure stays normal up to an including when it stalls then I immediately check to see if it still has spark and make sure that the computer is still powered up and capable of working and getting the information it needs to run the engine. I see that the fuel pump was replaced but the wiring connectors between the fuel pump and pump & gauge support bracket had a nasty habit of going bad and it was difficult to see the problem if you hadn't encountered it before, Often the only clue was a slightly discolored connector at the top/inside of the sending unit support bracket and this connection would heat up, fail, and cut off power to the pump. After the connection had cooled off the pump would sometimes [but not always] work again for a while so that's why I would still recommend testing fuel pressure throughout an extended road test. It can be a bit time consuming to find a problem like this but I've always been able to find the cause once I've got all the info from a road test.

Jun 16, 2010 | 1998 GMC Sierra

1 Answer

Car cuts off in the middle of driving it . power

This usually indicates a bad ignition module. When they get hot, they will expand internally and break electrical contact. Once it cools off, you can drive it again until it heats back up. The module is about $25 and can be tested for free at Auto Zone if you remove it and take it in. This could also be caused by a cracked or bad distrubutor cap and/or rotor button.

Mar 04, 2010 | 1995 Cadillac DeVille

1 Answer

My 1997 chevy van will cut off while driveing and then won't start back up right away and sometimes not at all. I sprayed starter fuid in air box to get it on a trailer and the van stayed running for about...

There could be many things to cause this problem.
Ideally when it quits is the best time to begin the diagnosis. First thing is to check to see if there is spark at the spark plugs when cranking and listen to hear the fuel pump run when you first cycle the ignition on.
But going on experience and what you have told me so far I would begin with ignition problems.
Because you mentioned it quit while driving and restarted after a cool off period it makes me think that an ignition part is failing when hot.
Engine heat and electrical current flow can heat electrical circuits, expand them, and go open circuit.
An ignition module, the pickup in the distributor or the ignition coil would be on my first checklist.
Give me a note back if you need more leads.

Nov 03, 2009 | 1997 Chevrolet K1500

1 Answer

Overheating and no heater while doing so

Replace the oil sending unit,and see if the light will go off.Next fill radiator up full,and or reservoir.Then bleed the cooling system of air.This will cause the engine to run hot,and no heat inside the car.The best way to bleed it is to,fill reservoir up full,to top,run engine and cut engine off before it gets hot,about 218,then wait about 30 to 45 minutes and check level in reservoir.It should have dropped.Refill,and repeat untill engine runs cool,and cooling fans cut on,and cut off by themselves.Do this with ac and defrost off.I hope this will help.

Oct 06, 2009 | 1998 Ford Taurus

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