FEOA Forums banner

1 - 12 of 12 Posts

·
Registered
Joined
·
6 Posts
Discussion Starter #1
NEWBIE ALERT!

I'm new to the Escort scene. I got this car for cheap because the head fouled up on it. The guy before me bolted on a head, but didnt notice the pison was in 5 peieces.

I got a new block, piston, rings, rod and bearings. Cleaned up everything, and put it together. Started it up, and it ran, but has a miss.

Heres what I have so far.

Fuel - Pressure is to spec both pressure and holding. I had a tough time getting the #4 injector installed. Replaced it with no improvement.

Compression - Running and non running test produces 150lbs.

Timing - Took the belt off thinking I might have missed a tooth. Double/Triple checked new installation. Timing marks are on target.

Spark. Did a visual check. Looked ok. Swapped 1 and 4 on the coil, no change. Swapped plugs, no change. Do not have a scope at home, so no measurements handy.

Air - Vaccum gague shows a steady 19-20. All readings good as far as clogged exhaust and such.

Misc. - When unplugging each injector, the idle quality drops, except #4. It has approx half the drop of the other injectors.


This thing is makign my head hurt. All ideas welcome.
 

·
Registered
Joined
·
86 Posts
On the spark quality sometimes just because it sparks that doesn't mean it is enough. I always use a spark tester which requires the coil to put out at least 25,000 volts to jump the gap. Using a spark plug or a screwdriver is not the most accurate way. Years ago when I was a tech I ran round and round with a vehicle that just wouldn't run right. Long story short the coil was working just not good enough. Just a suggestion.
 

·
Registered
Joined
·
65 Posts
Re: 97 2.0 Misfire on #4 even wtih new head and piston/rings

Elemental said:
NEWBIE ALERT!

I'm new to the Escort scene. I got this car for cheap because the head fouled up on it. The guy before me bolted on a head, but didnt notice the pison was in 5 peieces.

I got a new block, piston, rings, rod and bearings. Cleaned up everything, and put it together. Started it up, and it ran, but has a miss.

Heres what I have so far.

Fuel - Pressure is to spec both pressure and holding. I had a tough time getting the #4 injector installed. Replaced it with no improvement.

Compression - Running and non running test produces 150lbs.

Timing - Took the belt off thinking I might have missed a tooth. Double/Triple checked new installation. Timing marks are on target.

Spark. Did a visual check. Looked ok. Swapped 1 and 4 on the coil, no change. Swapped plugs, no change. Do not have a scope at home, so no measurements handy.

Air - Vaccum gague shows a steady 19-20. All readings good as far as clogged exhaust and such.

Misc. - When unplugging each injector, the idle quality drops, except #4. It has approx half the drop of the other injectors.

This thing is makign my head hurt. All ideas welcome.
I'm I missing something or haven't you located the possible cause, a faulty injector ?
 

·
Super Moderator
Joined
·
6,051 Posts
Re: 97 2.0 Misfire on #4 even wtih new head and piston/rings

gamma500 said:
I'm I missing something or haven't you located the possible cause, a faulty injector ?
Elemental said:
NEWBIE ALERT!

I'm new to the Escort scene. I got this car for cheap because the head fouled up on it. The guy before me bolted on a head, but didnt notice the pison was in 5 peieces.

I got a new block, piston, rings, rod and bearings. Cleaned up everything, and put it together. Started it up, and it ran, but has a miss.

Heres what I have so far.

Fuel - Pressure is to spec both pressure and holding. I had a tough time getting the #4 injector installed. Replaced it with no improvement.

Compression - Running and non running test produces 150lbs.

Timing - Took the belt off thinking I might have missed a tooth. Double/Triple checked new installation. Timing marks are on target.

Spark. Did a visual check. Looked ok. Swapped 1 and 4 on the coil, no change. Swapped plugs, no change. Do not have a scope at home, so no measurements handy.

Air - Vaccum gague shows a steady 19-20. All readings good as far as clogged exhaust and such.

Misc. - When unplugging each injector, the idle quality drops, except #4. It has approx half the drop of the other injectors.

This thing is makign my head hurt. All ideas welcome.
doubt it.
 

·
Registered
Joined
·
65 Posts
That will confirm the electric of the injector...I had a crusted up injector that flowed poorly causing a miss however. Fairly easy to remove the injector rail and pop out #4...let her soak in some carb cleaner overnight( just the tip or pintle as they call it), regrease the O ring and retry...worth a try.
 

·
Registered
Joined
·
6 Posts
Discussion Starter #7
Crazy! WIRES! Yeah, the spark looked good, but when I ohmed the wires are putting on a new coil, one was broken...Hairline crack,Son of a!!!!

All better, NOW...If someone has the Temp gear they woudl like to sell me as I broke mine, that woudl be FANTASTIC! :p
 

·
Registered
Joined
·
9,939 Posts
Glad you fixed it. What do you mean by temp gear?
 

·
Registered
Joined
·
9,939 Posts
Its not a cluster. Its part of his climate control cable. I would replace the whole cable with one from the junkyard. Yours probably broke because you didn't disconnect it under the dash before removing the radio.
 
1 - 12 of 12 Posts
Top