Question about 1992 Mazda Protege

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Help I have put on the new fuel pump and filter , the fuel is not going to the engine at all.and it cranks but does not start, 1992 doesn't have a relay switch, but wire harness is burn marked on the plastic area...i don't know what to do my husband is ready to to loose his jobs on the boat we will be homeless. please help.

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Does the pump work ?

Posted on Oct 11, 2008


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There was lots of corrosion on fuel filter n now it has new filter,new fuel pump,new regulator n it won't start with out starting fluid once it starts it stays running,this is a 05,hino 338,


The pump should turn on for about 2 seconds with key in the on position, this to put pressure in the lines and to the engine for starting. Then when cranking, the pump should be on again. The engine computer should be signaling the fuel pump relay to turn on during these two times. If the new pump won't turn on, something is wrong in your fuel pump circuit. Check the fuse for the pump first. Then find the fuel pump relay. Hold your finger lightly on it while someone turns the key to on. You should feel a click. If it does, verify voltage is going to the pump: look for voltage on the pump wire when the engine is cranking. If no click, the circuit from the computer needs checked.

Jul 17, 2015 | Cars & Trucks

1 Answer

Mechanical


Before you threw a bunch of parts at it maybe you should at least see if it has spark. If it doesn't have spark then the crank sensor and coil pack would be appropriate. If it is not getting fuel then the fuel pump, filter, etc. would be the way to go. So see if there is spark, do this by pulling a spark plug and see if there is spark out the end with it plugged into the wire and cranking it over. If there is spark put all this back together and squirt some fuel into the throttle body while cranking it over, if it tries to start but doesn't try to start on its own without squirting fuel in it then the fuel pump is bad. How many miles on it? Possibly the cam timing is off. Maybe take a compression check and see if the cam is out of time.

Mar 11, 2012 | 2001 Chevrolet Cavalier

1 Answer

If oil pressure sending unit is bad will it stop fuel pump from working on a 2000 blazer


You should never try a pump without it being in fuel. It uses fuel for lubrication when it is running. If the vehicle doesn't start at all when you first crank it over it is not the oil pressure sender. If you just put the pump in you might want to turn the key off and on several times to cycle the pump then try to start it. If it doesn't start then check fuel filter or check fuel pressure at fuel rail in engine compartment. Is fuel pump cycling at all when the key is turned on? There is a problem with ignition switches on some of these blazers.

Jan 04, 2012 | Chevrolet Cars & Trucks

1 Answer

I have a 1992 Chevy 1/2 ton 5.7 Litre 1500 series truck. The truck while idling suddenly stalled. I verified the fuel pump by taking the pump side off to the filter and verified fuel to the filter by...


Doesn't sound like you've considered spark. Sounds like you're losing spark somehow. You seem to know your way around a truck, so I don't have to explain every little thing. Just check all the ignition stuff, go through the distributor and coil and plugs and wires. If it's gettin fuel, its either a spark issue or air/vaccum issue. Hope this helps.

Jun 12, 2011 | 1992 Chevrolet K1500

1 Answer

1992 dodge w-250, took her in for a service...bleed fuel lines...


It sounds like you are talking about a diesel engine as gas engines are self priming. Lift pump or primer pump may be defective. Check for loose fittings or lines and damaged o-rings at filter housing. Sounds like you are sucking air somewhere.

Jan 30, 2010 | 1992 Dodge Ram 250

4 Answers

OK i have a 1999 gmc Yukon i just changed the fuel pump spark plugs ing coil control module wires but she still wont crank she starts then shuts off whats wrong HEPL ME PLZ


I suppose that you mean it starts but doesn't continue to run. And if you try to start it right away it'll just crank. The fuel pump is on in crank but not in run ( maybe ). Find the fuel pump relay in the underhood fuse relay panel and use a test light to cheak the pins for power and ground. First with the test light hooked to a good ground, check to see if it works first ( touch the battery positive ) then touch all the pins of the relay ( removed ) One should be hot all the time ( if not the fuel pump fuse is blown) another should be hot with the key on. one of the others will be hot only in crank ( this is the fuel pump) The last other is ground with the engine running after started. The one thats hot in crank put power to it with a jumper wire and start the engine ( it'll run ) the fuel pump also gets turned on by the oil pressure switch and the fuel pump fuse is blown it'll also not run the engine. But it'll run right after it's cranked and quit

Nov 14, 2009 | GMC Yukon Cars & Trucks

3 Answers

1992 Grand Prix LE


Did you check the fuel pressure at the fuel rail? with key in the on position to activate the pump? If you did and there was no pressure I would first check for the obvious, gas in the tank, leaking fuel from a line, check for flow before the fuel filter, located at the rear of the vehicle near the gas tank. take the fuel pressure line off put it in a catch can and have somebody turn the key to the on position to activate the pump, if it flows chances are the filter is plugged. Also pay attention to the sound of the pump if it is very loud there is a good chance the pump is failing and needs to be replaced. It could also explain why sometimes it dies. The pump is going out of range. Hope this helps

Oct 16, 2008 | 1992 Pontiac Grand Prix

1 Answer

1992 VW Golf Gas


Has the original fuel gone stale ?Check that the fuel is ok If you can disconnect fuel line at engine end and put hose into tin to see if pump is operating properly when ignition is on or cranking, having help is essential as monitoring the fuel going into the container and doing the ignition at the same time can be awkward.Also make sure the fuel filter is clear if no fuel comes out during previous test

Sep 29, 2008 | 1992 Volkswagen Golf

1 Answer

Long rest


OK, this is what the StreerRodders face all the time.

1) Pull all the plugs and get new ones ready.
2) Drain the Oil and replace with 10W-30 with new filter
3) Check the water level in the radiator - make sure up to level
4) Put several ounces of sea-foam down each cylinder
5) Hand crank engine over several times
6) Use starter motor to spin over motor several more times
7) Put Spark Plugs back in.
8) Make sure fuel in fuel tank is drained
9) Add new premium fuel - Use an air hose to clean the fuel line to the engine
10) Pump through new fuel by loosening the fuel line by engine and pumping a bunch through - hook back up tight.
11) Try starting engine -
12) If Carb engine use a bunch of carb cleaner in the carb before starting to clean out most or junk
13) Once engine is started monitor oil pressure and temperatures carefully - run for about 10 minutes
14) Stop
15) Drain Oil - replace filter again - put in new synthetic oil - recommend Amsoil 0-30W
16) Drain radiator and flush out -
17) Reset radiator fluid and top off.
18) check for leaks everywhere
19) Start again and drive carefully for 100 miles and you should be good to go.

Regards,

Doug

Jul 31, 2008 | 1992 Mazda MX-5

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