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My mazda e2500 truck 2002model diesel won't start every morning. The battery ends up draining charge and i then have to jumpstart from other vehicle. How do i check the glow plug temperature sensor?

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Posted on Jan 02, 2017

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SOURCE: TDI Hard Start

This could be an Injector But, Not likely. Try this First, It is a long shot But, It is Cheaper. Replace your Gas cap. You could be Sucking air into the Tank from a Bad Gasket on the Gas Cap Causing your Hard Start.

Posted on Jan 21, 2009

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SOURCE: Problem with cold starting Ford 7.3L Diesel at > freezing temps

most likely the relay. its located to the left of the fuel filter( looking at the motor from the front). my experience is that they only last about 50,000 miles. the part costs about $20 at an navistar dealer. remove the cowl over the filter, disconnect the batteries(so you don't short the new relay out if you cross the polarity with a wrench) ,remove the four wires from the ceramic relay, un-fasten the relay from the base. reverse the process with the new relay. CAUTION; do not over-tighten the nuts on the wire studs, you could crack the ceramic relay.(iv'e done it) . hope this helps

Posted on Mar 18, 2009

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SOURCE: My car (Mazda 323 2000cc Diesel) will not start.

ck you bat but youll probably find its your glow plugs.these are set in the head and usualy have a wire going to them.check with ohm termenal to the plug where the wire attaches the other to ground. there sould be no resistance for they are basicly a direct short to create heat that warms the air for initial start up.replace any that dont make contact with ground

Posted on Sep 21, 2009

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You have to replace the defective glow plug. You can test the glow plug without the test light. Just put a wire on the bolted end of the glow plug and connect this to the battery (+) terminal. Then, put a wire around the body of the glow plug and connect this to the battery (-) negative terminal. Hold at this position for a minute or less. Good glow plug will heat up.

As far as the wiring schematics, I will just describe
it. Your ignition switch is connected to the positive
terminal of the battery by way of the fuse in the fuse
box. From the switch it goes to a timing relay before
going to the glow plug terminals. The glow plug body
is screw mounted to the engine block which serves
as the negative terminal. So, as you switch your
ignition, it heats up the glow plug enough to give a
combustion of the atomized fuel in the cylinder piston
of your car causing it to run.

Posted on Nov 21, 2009

  • 57 Answers

SOURCE: 1999 Ford truck 7.3 diesel, hard to start in the

if it is not getting power to the plugs witch it most likely isnt check your selinoids they are located on the top of the engine check and see if power is getting there and if that is all fine then you may be low on compression you can check this with no tools for blow by. when engine is running remove oil filler cap and look for puffs of white smoke if it is a consistant slight haze or little smoke that is normal but if it is poring smoke and puffing then you have one or more pistons or rings hurt. any more than a little stream of smoke is a culprit of worn out engine and needs rebuild. and if that is fine you may want to check your high pressure oil as that operates the injectors and is vary thick when cold you can also change this by taking an alen key and removing the small cap on top of the hpop (high pressure oil pump) resevior and sucking the old oil out with a seringe or another type of evacuator. then replace oil with new oil (same as what you use for engine) and then start engine run for about five minutes and do it again about three or four times. there is 3 qourts on the top of engine that run through the heads and HPOP system from navistar it was supposed to cycle throgh the bottom end oil but it never really does thats why when you change your oil and check it right after you start truck it is black again. i have more remidies but not to much more space message back if needed

Posted on Apr 27, 2010

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Mazda E2500 diesel . Hard to start when cold. Have checked fuse. Relay sounds like it is clicking in. Van is a 2004 done 145000 kmc

Hello Hugh, You need to check the voltage at the glow plugs.. Just because you hear the relay clicking does not mean it is working properly.

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Many batteries may only last around three years. Check battery voltage at rest before starting. Any voltage in the low 12v range may be a sign of a faulty battery.If low voltage present, then perform a parasitic drain test:1) Disconnect battery POSITIVE terminal and connect ammeter in series, between battery positive terminal and positive lead.

2) With all vehicle doors closed, alarm off, lights off, radio off, and all other accessories off, wait for around 20 minutes and then read the ammeter. A healthy system should read about 0.03 amps and little more. If reading more, then the vehicle could be suffering a parasitic amp drain, and you will need to locate this issue.

3) Reconnect battery when finished.

If no major parasitic drain present, yet low battery voltage then:

4) With vehicle started, check the voltage charge from the alternator. Connect voltmeter to battery terminals and take reading. A healthy system should be charging in the range of 14volts or down to around 13.5 volts. If reading around 12 volts only, then check and replace alternator.

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Welcome to Fixya

Test the battery using a voltmeter. You should be getting at least 13v up. If you dont have that reading then the problem might caused by a battery that is not holding charge and need replacement or something is draining the battery. If you can borrow a battery, test it to your car and leave it overnight. If the battery drains, then there is short somewhere.

Thank you for using Fixya!

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You mean you try starting it, and it just clicks? That means your battery is dead, and you need to charge your battery, jumpstart your battery, or if it's the original battery it may be time to replace the battery.

Further clarify electric leaking? You mean that when the vehicle is off, somethine is still drawing power, draining your battery?

If so, turn off the vehicle, and go around making sure ALL your lights have turned off.
Battery drain is sometimes a hard thing to trace. It could basically be any wire on your vehicle.

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Possibly the starter, but much more likely a low battery. Try jumpstarting from another vehicle. If it works, investigate yoru charging system, battery, connections, and battery drains.

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