Fire on back of engine, what could cause this?
#1
Fire on back of engine, what could cause this?
I got home today and went to check my oil and noticed a small fire on the back of the engine. It was actually on one of the vac lines. What could cause it to catch on fire?
If you look at where the acv was, you see 3 vac lines, 2 of which go towards the back of the engine bay and connect behind the engine. The fire was on one of those where it connected behind the engine.
If you look at where the acv was, you see 3 vac lines, 2 of which go towards the back of the engine bay and connect behind the engine. The fire was on one of those where it connected behind the engine.
#7
Originally Posted by skatingsamurai
oh yeah!...i had cracking fuel lines on mine but i cought them before they went completely
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#9
Rotary Enthusiast
hmm interesting.....did you have any styrofoam or any other material near the back of the engine bay? because if it wasnt fuel( usually the thing that causes fires, duh) than it must have been something else like, a material that accually combustes at high temp....
if you heat styrofoam up to a couple hundred degrees then it will combust. so its possible if you got something close enough to exuast it could have caused it......
were you in the car when it happened????
if you heat styrofoam up to a couple hundred degrees then it will combust. so its possible if you got something close enough to exuast it could have caused it......
were you in the car when it happened????
#11
Compression Tester Guy
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Originally Posted by Sideways7
but its more on the front side of the engine, isnt it?
-John
#12
Originally Posted by skatingsamurai
hmm interesting.....did you have any styrofoam or any other material near the back of the engine bay? because if it wasnt fuel( usually the thing that causes fires, duh) than it must have been something else like, a material that accually combustes at high temp....
if you heat styrofoam up to a couple hundred degrees then it will combust. so its possible if you got something close enough to exuast it could have caused it......
were you in the car when it happened????
if you heat styrofoam up to a couple hundred degrees then it will combust. so its possible if you got something close enough to exuast it could have caused it......
were you in the car when it happened????
Originally Posted by RustX7
Well, how'd it smell?
Originally Posted by skatingsamurai
ooooorrr it could be electrical.... you got a lot to check. what model is your car? take off the uim and start searchin
Last edited by Sideways7; 11-09-04 at 02:18 PM.
#13
Former Moderator. RIP Icemark.
Originally Posted by TwistedRotors
You're right. N/A's have the PD on the front of the secondary fuel rail, T2's have it on the back.
-John
-John
#14
Originally Posted by Icemark
But the leaking fuel can run down the front to the back and drip down on non turbos (more so on S4 versions with the plastic cap) or back to front on the Turbos.
#15
Former Moderator. RIP Icemark.
Originally Posted by Sideways7
Oh, ok. Just for reference, how much is the cap on the PD supposed to move? I cant really notice it moving.
#16
Originally Posted by Icemark
On the S4 PDs, the cap should never move. Its whole purpose in life is to only protect the calibration/stop screw from coming in contact with anything.
This might be a stupid question, but how are you supposed to check the PD? The FSM says to check that it pulsates, and the cap is the only part that is accesable.
#18
My Rear wiper works!
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ahh, gotta love them 87-88 PDs...
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/engine-fire-pics-352047/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/engine-fire-pics-352047/
#19
Former Moderator. RIP Icemark.
Originally Posted by skatingsamurai
you think it would be ok for me to tape the screw so that it never comes out???
#20
Originally Posted by Sideways7
I got home today and went to check my oil and noticed a small fire on the back of the engine. It was actually on one of the vac lines. What could cause it to catch on fire?
If you look at where the acv was, you see 3 vac lines, 2 of which go towards the back of the engine bay and connect behind the engine. The fire was on one of those where it connected behind the engine.
If you look at where the acv was, you see 3 vac lines, 2 of which go towards the back of the engine bay and connect behind the engine. The fire was on one of those where it connected behind the engine.
#21
Originally Posted by vrooom305
man you got lucky that you caught it, glad it worked out in the end
Now to get another one. Im guessing its recomended to get a new one and not one from a junk yard, right? I saw that someone (icemark?) said that they were about $100 on another thread yestartday. Where can I get it for that much? The mazda dealership said it was either 160 or 230, he claimed there were 2 different ones.
#22
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Before you jump to conclusions, verify that it is in fact leaking. Start the engine and let it idle, if its leaking it should leak right away, so check it with your hand and see if its wet with gas. If that is the case, replace it asap, don't drive anywhere when its like that.
My first impressions with this thread was that it was a grease fire? If your engine bay is just disgustingly covered in grease, its a possibility?
My first impressions with this thread was that it was a grease fire? If your engine bay is just disgustingly covered in grease, its a possibility?
#24
Originally Posted by BlaCkPlaGUE
Before you jump to conclusions, verify that it is in fact leaking. Start the engine and let it idle, if its leaking it should leak right away, so check it with your hand and see if its wet with gas. If that is the case, replace it asap, don't drive anywhere when its like that.
My first impressions with this thread was that it was a grease fire? If your engine bay is just disgustingly covered in grease, its a possibility?
My first impressions with this thread was that it was a grease fire? If your engine bay is just disgustingly covered in grease, its a possibility?
I'd still like to know how you are supposed to check if the PD pulsates when you can't get to it.
#25
Former Moderator. RIP Icemark.
Originally Posted by Sideways7
I'd still like to know how you are supposed to check if the PD pulsates when you can't get to it.
As far as replacing it, it should be replaced anytime it is leaking, I also consider it to be a maintence item and should be replaced every 100-120K miles or 10 years.
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