Question about 1997 Land Rover Range Rover

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P38 diesel fuel injector pump overheats and inhibits starting

After a long run the heat build up in the engine bay means the diesel fuel injector pump gets hot and inhibits starting. As soon as the engine bay temp drops, it starts easily. This can be Accelerated by pouring cool water on the pump.

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This is an unusual problem as injector pumps use diesel to lubricate internally and to cool the pump. For it to overheat and cause you problems means that fuel is escaping under high pressure or the operating pressure is excessive . Best discuss this with a professional diesel pump repair shop as I feel there is a serious problem in the pump.

Posted on Apr 19, 2014


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Looking for a injector pump for a onan quite diesel 8000 model number 8hdkak11451k

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VW Jetta vdi diesel won't start after eun out of fuel

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Diesel fuel injector pump overheats

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Apr 18, 2014 | 1997 Land Rover Range Rover

1 Answer

My 2002 chev. diesel truck turns over but wont start, new filter

anytime you change the filter in a diesel you have to bleed the air out of the fuel system. The pump won't auto bleed the fuel system for you. every place in the fuel system that has a flare type connection needs to be bleed, start at the connection closest to the tank, loosen the connection and then crank the engine until you see diesel fuel drips from that connection. Tighten the connection while the engine is still cranking. Move to the next connection that is going toward the engine. Continue on in that manner toward the engine until you reach the injector pump/injector. Once you reach the injector pump be VERY aware that the fuel is at VERY high pressure. Do NOT put your body parts in the stream of high pressure diesel fuel. It could kill or injure you! Once you bleed all the way to the injector pump/ injector, the truck SHOULD start. Do not bleed after the injector pump because of the pressure involved, it is WAY too dangerous.

Good luck!

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2 Answers

Poor mpg

One thing with diesels they do not like short trips and what I mean by short trips the vehicle needs to be started idle and driven for a minimal of 40 minutes 4 engine to fully heat up to prevent excess carbon build-up and if it has a lot of miles on it you are exhaust could be getting plugged up or restricted especially if it has a a catalytic converter on it if it's plugged up with suit you will get bad fuel mileage much same thing with your air intake a dirty air filter can rob you of power and fuel efficiency same thing on the exhaust side if a diesel can't breathe then it will gobble up more fuel then it needs and diesels need to have fuel treatment / injector cleaner that is meant for diesels ran through them at least every third fill up to prevent the injectors from getting clogged which will damage fuel efficiency and help prevent burning holes in your Pistons which is true with any injector gas or diesel and from my Google search of your vehicle the 3.2 L sized engine gets about the fuel mileage that you say you're getting if it's the 2.2 it should be getting 20 two 25 City and 38 to 40 Highway

Oct 06, 2017 | 2007 Land Rover Freelander

1 Answer

How do you prime diesel engine when run out of fuel 04 6.0

Ned. I don't know much about those 6.0's but in general the procedure is the same for bleeding. Make sure the filter is full before you start. There is an electric fuel shut-off switch on the injector pump that needs to be disabled next, usually by disconnecting the wire going to it. If it has a fuse so much the better, just pull it. Loosen the fuel line gong into the injector pump and crank the engine. Do it in short 20 second or so bursts or you will overheat the starter and have to replace it. once the fuel runs clear from the pump, no bubbles then you should be able to reconnect the shut-off wire. The engine should start and run rough for a minute or two but smoth out with-in that time. If it doesn't, you will have to loosen each individual line at each injector to bleed out the air. It should only take about 1/2 turn to get them loose enough. Do the injectors one at a time with the engine running. Hope this helps.

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Slugish start on my excursion

Glow plugs do not "fire". You may be confusing the function of glow plugs as analagous to spark plugs in a gasoline engine; the purpose of glow plugs is to heat the air-fuel mixture to a temperature that will support the diesel auto-combustion process. The diesel process is not one in which the air-fuel mixture is ignited via spark like a gas engine; rather, the air-fuel mixture undergoes much higher compression and spontaneously explodes, generating the combustion in a self-sustaining manner. High compression produces much higher heat, but before it can begin, heat must be introduced into the system to get it started.

If you're having sluggish engine performance from your diesel engine, you may have fuel system issues such as fuel pump failure or fuel line restrictions (including fuel filter or strainer clogging), etc. At the "worst" end of the spectrum, one of more of your fuel injectors may have a problem - the fuel injectors on the Powerstrokes not only inject the fuel into the combustion chamber, but are also cooled and lubricated by the fuel - if the vehicle has ever been run out of fuel, the injectors may have been damaged and will need to be inspected for replacement.

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2 Answers

Running fine, then blew lots of white smoke that smelled like diesel, cut off and won't start again. Dee

If this is a gas engine You have probably blown a head gasket. If its a diesel engine of later years 03 or later you probably have an injector failure and or a injector pump failure. I hope this helps.
Thank You,

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1 Answer

Range Rover p38 bmw 2.5 injection running problem

It turned out to be a broken wire on the injector which was causing a bad connection,now running better than before.
The cold was just a coincidence.

Thank you and best regards,Yvonne

Jan 07, 2009 | 1996 Land Rover Range Rover

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