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97 mercury tracer runs fine when it don't flood out! Its said fuel injection motors will not flood but this one does why?I pull. spark plugs and put my torch on them to dry them and then it starts fine for a couple days and then try and start it and it will be flooded ! help please

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  • Cars & Trucks Master
  • 22,095 Answers

On the end of the fuel rail is a vacumn operated valve i think this valve could be defective so renew with one from a scrapyard and see what happens

Posted on Nov 16, 2013

  • 2 more comments 
  • Randy Nov 16, 2013

    Thanks . I looked at that earlier and wondered about it . I will try it.Thanks

  • jose_truj772
    jose_truj772 Nov 16, 2013

    You also might have a sticking fuel injector. This sounds crazy but on at least a half a tank of fuel dump a full quart of Automatic Transmission Fluid in the tank and run it

  • Randy Nov 21, 2013

    Well I changed the valve on the end of the fuel rail and still floods out randomly ! I would go with the sticky injection but one injector is new and its all cylinders that flood out. any other ideas?

  • Randy Nov 23, 2013

    Well I have changed the valve on the fuel rail and both temp. sensors and still flooding ? I'm going to try another set of new plugs maybe the old ones have been flooded to many times?

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Posted on Jan 02, 2017

  • 1861 Answers

SOURCE: 1997 Nissan Sentra 4 cyl. Won't Start

You do not have a fuel pump, fuel pressure regulator, or other fuel-related issue.
What you have, in fact, is an issue with the fuel injectors. All 4 injectors get constant power, and the ECU provides a pulsed ground circuit (in milliseconds) to energize the injector (the ground completes the circuit, pulls the electromagnet open to let the fuel spray). If the ground circuit is constant, as in your case, you will have the injectors spraying all of the time, as you have described seeing fuel on the tops of the pistons. This can only be caused by these 2 factors: either you have a chafed injector ground wire shorting that wire to a ground on the engine, or a bad ECU.

Posted on Oct 18, 2008

  • 3 Answers

SOURCE: wont start, no faults on ecu,keeps flooding,

Sounds like the old nikasil problem.Remove all of the spark plugs and squirt oil down each bore,replace plugs and she should fire up.

Posted on Oct 12, 2008

hardinfarms
  • 144 Answers

SOURCE: wont start 1996 jeep grand cherokee laredo inline six4.0 fuel inj

The first thing I would do since you think it was flooded is to replace the sparkplugs, sometimes if a spark plug has been washed out with gas you cannot get it completely dried out. After you replace sparkplugs try to start the engine. If the engine starts I would still recommend that you change your oil because of fuel saturation. If your engine fails to start I would suspect that you have a bad crankshaft position sensor as it is known to give problems. The crankshaft position sensor is located on the top of the transmission bell housing on the drivers side.

Posted on Oct 02, 2009

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SOURCE: 94 saturn 1.9L flooding out

i bet the coolant temp sensor is bad,,,when the sensor cracks coolant leaks into and wrecks it and then the coolant leaks thru the sensor and into the harness,,,and this causes the car to dump too much fuel because the computer is seeing a temp that is not real and therefore the air fuel mixture is off and flooding the car,,,typical issue,replace the coolant temp sensor and then harness,,like $75 for both at saturn,,do not by the aftermarket ones,yes the cost less but they are junk and will not work either,,,also i bet if you put the gas pedal to the floor or pump it when this happens i bet the car starts and smokes when it does,,,,saturn redsigned the sensor for this reason,it was plastic and they made it brass so now it can not crack and leak,the aftermarket ones are still plastic junk

Posted on Oct 09, 2009

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1 Answer

Tracer wont start


What else? You didn't say what year tracer, but yes, you are right: both the crank and cam sprockets must be at 12 position.

Here is a link:http://www.2carpros.com/diagrams/mercury/tracer

If timing is correct, check for spark on all 4 plug wires, or at least a couple of them. If timing and spark are good, you may need to test fuel pressure. Multiport injection pressures are high, up around 40 psi or more.

Sep 10, 2015 | Cars & Trucks

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I was driving my '94 Mercury Tracer 1.9 when it suddenly died, like it ran out of gas or something, and it just will not start up. Any ideas on what could be the problem? We have changed the water pump and...


Sudden no starts are usually gas or spark (ignition) related. If you spray some starting fluid into the intake and it fires up briefly, then you know it is a fuel problem- a bad fuel pump, or less often a fault in the fuel injection circuit.

If the engine doesn't respond to the starting fluid, check for spark on a spark plug wire with the engine cranking. Purchase a cheap spark tester at a parts store. It's easy to check for spark this way, and no chance of getting a shock. Another way is to pull off a wire from a plug, take out the spark plug and reattach to the plug wire. Lay the spark plug on a metal piece of engine, where the plug threads are touching metal. That grounds the plug. Now have your helper be cranking the engine over while you watch for a strong blue spark at the spark plug tip. If you have a blue spark consistently, you can assume the ignition is working properly.
Post back with what you find or for more help.

Apr 27, 2014 | 1994 Mercury Tracer

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1991 geo storm gsi,Was going down the road fine and all of a sudden It cut off and cannot restart it what could be the possible problem or cuses.


same answer for all cars made 1920 to now.
never restarted ,ever ? gee , a little hint...?
1: lost engine compression hot, (gee forgot to do the 60k serviice/)
2: lost spark , yes, check spark at all 4 cyl. if bad check coil spark.
3: lost fuel or too much fuel called flooding.

one removes a spark plug, it drips of fuel , say all 4.
flooding.
crank motor at WOT, wide open throttle to clear flooding.
if the spark is good and the spark tips are dry, then try test fuel
if car starts and dies. then you lost injection.

easy huh> with the above you know exactly why it fails.
compression bad
spark
fueling.

1991 i think is TBI single injection engine, i can look it up but
no i wont. we need to do the tests first to get there.

Oct 03, 2013 | 1992 Geo Storm

1 Answer

Car ran fine and just stopped running


As with any no start issue, you will have to figure out if it is a no spark or no fuel problem to proceed.
Could be a long list of things depending on which.
Check for spark at the plugs, and fuel pressure.

Aug 19, 2012 | 1992 Mercury Tracer

1 Answer

97 mercury tracer hold pettle down to start wont stay running


if when holding down the pedal the motor runs like a tractor your motor needs rebuilt

Mar 11, 2012 | 1997 Mercury Tracer

2 Answers

What will make the make it flood its self


An engine will flood if there's too much fuel going in because of a stuck choke, a bad spark not igniting the fuel, failed temperature sensors, bad fuel regulator, timing...the list goes on.

The amount of fuel delivered to a properly functioning injected car is determined by sensors mounted throughout the vehicles air intake system. These sensors work together along with the ecu to control the fuel / air mix delivered to the cylinders.

We would need to isolate the components that have impact on the duration of time the injectors stay open. In troubleshooting it is often best to work backwards.

1. Injectors - Are they leaking? 2. Pressure regulator - is the pressure at the fuel rail the right pressure?? (40psi for most fuel injected cars) 3. TPS- throttle position sensor- is this reading accurately...there are several different styles of these 4. Air flow meter - these also come in several varieties varys from mass air sensor / simple vane meters. 5. during startup there is a seperate circuit called the throttle bypass valve - this also may not be functioning if the flooding is occuring rapidly during startup. If the car starts and runs for a while than floods. this is probably not the culprit. 6. ultimately the ECU could have a problem as it is the link in the chain that ties everything together....though not likely. Any of these these would have the potential to flood a vehicle if they were not functioning properly. The amount of fuel delivered to a properly functioning injected car is determined by sensors mounted throughout the vehicles air intake system. These sensors work together along with the ecu to control the fuel / air mix delivered to the cylinders. We would need to isolate the components that have impact on the duration of time the injectors stay open. In troubleshooting it is often best to work backwards. 1. Injectors - Are they leaking 2. Pressure regulator - is the pressure at the fuel rail the right pressure?? (40psi for most fuel injected cars) 3. TPS- throttle position sensor- is this reading accurately...there are several different styles of these 4. Air flow meter - these also come in several varieties varys from mass air sensor / simple vane meters. 5. during startup there is a seperate circuit called the throttle bypass valve - this also may not be functioning if the flooding is occuring rapidly during startup. If the car starts and runs for a while than floods. this is probably not the culprit. 6. ultimately the ECU could have a problem as it is the link in the chain that ties everything together, but it's not likely.
This is just a list of things that could cause your car to flood!

Feb 24, 2011 | Mazda RX-7 Cars & Trucks

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I have a 97 Mercury Tracer 2.0 that won't start after it stalled, I checked the timing and fuel pressure ,and even replaced fuel filter .


Have the car been checked for spark,or a signal from the crankshaft sensor. The problem will most likely be in the ignition system.

Oct 07, 2010 | 1997 Mercury Tracer

1 Answer

Why am i only getting fire out of 2 cylindars


if the spark plugs are still firing it could be either fuel problems, if its fuel injected check that the injectors are pulsating, use a voltmeter on them and should be about 3v. may need to use a compression tester with the spark plug out to see if there is any compression left aswell.

Jun 21, 2010 | 1999 Mercury Tracer

1 Answer

My radiator fan won't turn off on a 97 mercury Tracer.


its probably a stuck relay locate it and replace it with another most likely that will cure it. check under the hood for a relay center.it should be diagrammed on the lid and use 1 from a different position first pull the one for the cooling fan if it stops that should cure it

Jul 18, 2009 | 1997 Mercury Tracer

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