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> 914 has spark n fuel wont start
peteyd
post Jun 16 2017, 06:23 AM
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Hey was wondering if anybody could help me out ? I had a running car which started fine, we ran out of gas now it won't start. I checked the plugs, all kinds of fire, when I the pulled plugs out they were wet .then checked coil in distributor it reads 12.6 volt.. so took all plugs out checked compression cylinder 1 100psi cylinder 2 90 psi cylinder 3 90psi cylinder 4 70psi..is this to low or fine ?checked fuses they all look good. just got car on road and she dies

thanks in advance hoping it don't need rebuild ..

Pete
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peteyd
post Jun 16 2017, 09:40 AM
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I am certain it is getting fuel. The plugs are getting wet and its also getting a great spark.

maybe timing?
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Dave_Darling
post Jun 16 2017, 11:14 AM
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QUOTE(peteyd @ Jun 16 2017, 08:40 AM) *

I am certain it is getting fuel. The plugs are getting wet and its also getting a great spark.


Getting fuel isn't the same as getting proper fuel pressure.

Wet plugs don't like to fire. Once you cleaned them off, does it now fire?

Once you know you have some fuel, you have good spark, and you have some compression, there are only two more things that would cause a no-start. Timing is one, but it would have to be way off. The amount of fuel is the other. It's not that hard to bump an electrical connection or a vacuum line off and throw the mixture out of whack to the point where it won't start. (E.g., CHT sensor connector unplugs, hose from the MPS gets unplugged, etc.) So you check all of your wires and hoses.

Many vacuum leaks won't prevent a D-jet car from starting, but there are a lot of electrical connections that can.

--DD
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peteyd
post Jun 16 2017, 11:31 AM
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QUOTE(Dave_Darling @ Jun 16 2017, 09:14 AM) *

QUOTE(peteyd @ Jun 16 2017, 08:40 AM) *

I am certain it is getting fuel. The plugs are getting wet and its also getting a great spark.


Getting fuel isn't the same as getting proper fuel pressure.

Wet plugs don't like to fire. Once you cleaned them off, does it now fire?

Once you know you have some fuel, you have good spark, and you have some compression, there are only two more things that would cause a no-start. Timing is one, but it would have to be way off. The amount of fuel is the other. It's not that hard to bump an electrical connection or a vacuum line off and throw the mixture out of whack to the point where it won't start. (E.g., CHT sensor connector unplugs, hose from the MPS gets unplugged, etc.) So you check all of your wires and hoses.

Many vacuum leaks won't prevent a D-jet car from starting, but there are a lot of electrical connections that can.

--DD


I believe it was the CHT sensor connector. that is the white wire correct?

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