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The haunted Explorer

EDIT in last post.
 



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So when you turn the key, you just hear the starter click, fuel pump start but nothing else. No other noises but the starter is clicking just not turnin the engine over? Correct?
 






I all so hear the engine trying to start.

No clicking, batt is fine, power is good. Just a hard start!
 






He's already said 3 times that the starter engages and tries to start the motor: it does more than "click".

As I've said before, Sounds like it's not the fuel or electrical system; and it's ignition or sensor related, most likely the latter.
 






Alec as mentioned in the first page, could the crank shaft position sensor be the cause?

All I know is the damn thing seems to be effected more so with the colder air temps.
 






Since it eventually starts, probably not. More inclined to say it's that DPFE someone mentioned. I don't know crap about that and the EGR system, but it's a distinct possibility.
 






Well the DPFE was replaced in Dec of 2001.
 






Originally posted by Alec
Since it eventually starts, probably not. More inclined to say it's that DPFE someone mentioned. I don't know crap about that and the EGR system, but it's a distinct possibility.

Alec I just did a google search on the Crank shaft position sensor. I found some usefull sites explaining how and what the sensor does. It all so explains what the possible symptoms are if one goes bad. Here is a link. http://www.tonysacademyauto.com/crank_shaft_sensor.htm

One of the symptoms were hard starts. So just maybe this could be the problem? If so, why would the colder air temps make it worse?
 






Alec, when you say ignition or sensor related. Is there somthing more specific I should look at? If I open up the stearing colume and start looking for things, im not sure what to look for exactly?

Funny thing is Ive had a shop look at it for this problem. They couldnt find a thing wrong. Plus my other brother is a mech and he doesnt know what it could be. I have a feeling what ever the problem is, it's gonna take a lot of effort in finding it?

No check engine light or codes is tough to find. :(
 






Ok I think I might have your answer but bear with me. I had the same problem with mine. Down to the stumbling (dropping RPM) when it idled for a period of time. This was so simple I couldn't believe it. On the drivers side of the intake toward the back is the vacuum block. I had to look closely at it because there is a port on the back side closes to the intake and the plug had come off allowing a leak. This made it harder to start and caused a RPM drop on extended idle. The computer was trying to adjust for the extra air coming in after the Mass Airflow Sensor. When it starts it needs more fuel causing it to crank more when you try to start it. It worked for me check those vacuum lines.
 






Originally posted by MustangShane
Ok I think I might have your answer but bear with me. I had the same problem with mine. Down to the stumbling (dropping RPM) when it idled for a period of time. This was so simple I couldn't believe it. On the drivers side of the intake toward the back is the vacuum block. I had to look closely at it because there is a port on the back side closes to the intake and the plug had come off allowing a leak. This made it harder to start and caused a RPM drop on extended idle. The computer was trying to adjust for the extra air coming in after the Mass Airflow Sensor. When it starts it needs more fuel causing it to crank more when you try to start it. It worked for me check those vacuum lines.

Thanks for the help mustangshane.

However I believe you are talking about the octopuss type thing near the rear of the engine. My brothers explorer does not have this. I believe they did away with that in 94 or 95?

The missing cap thing was one of the first things I checked last winter, that's how I found out my old ex didnt have it.

Thanks again though. :)
 






Boss Man,

Try this, just turn the key to the "Run" posision until the fuel pump runs then shuts off. Do this 3 or 4 times without going to the "Start Posision". After the 3rd or 4th time then try to start it. Did it start the 1st time?


And one more thing, have you ever done anything with the MAF (clean the filiment or replaced)?
 






reams,

Your referring to priming the fuel pump correct? Ive done that before. I actually had the fuel pump replaced about 6 months ago. So there should not be a bad check valve.

As for the MAF, it's all so fairly new.
 






Boss Man,

Understand you had the pump replaced but it is posable to have had a bad one put on. Yes I am saying to prime the system. By chance can you put a fuel gage to the fuel rail.

I'm just trying to get a feel for what it could be versas having you chang this then that.

I also see you have a K&N air filter. I have heard of cases where this air filter will allow its oil to dirty the MAF.
 






reams, I see what your saying. But the problem started well before the new fuel pump and continued well after. So like Alec said ruleing out a fuel related problem.

Problem also started well before the new MAF and K&N intake.
 






what kind of gas do u put in the car? what octane? just a hunch lemme know
 






Well, were running 93 octane. Only because of the Apten chip. As far as brand goes, either Wawa gas, or Texico.
 






Wally gas is crap. Just for kicks, try running Chevron or Exxon. Probably won't make a difference though.

I don't remember, have you tried running some injector cleaner?
 






Alec, not Wally Gas, Wawa gas.

We dont have Chevron or Exxon stations near by, nearest one is about an hour away and that's to far to go for gas. ;)

As for injector cleaner, ive used a couple bottle of Chevron with tecron injector cleaner before and have had a shop run injector cleaner using a machine of some sort. Neither of which seemed to help at all.

Today I pulled the IAC off and cleaned the black crud off. Reset the battery and will see what happens? I highly doubt cleaning the IAC will do anything?
 



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Well if it had black crud then it may help. You say it's fairly new? Quick buildup means something is wrong.

Are the intake manifolds tight?
 






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