Digest for sci.electronics.repair@googlegroups.com - 4 updates in 1 topic

"Peter W." <peterwieck33@gmail.com>: Feb 09 09:33AM -0800

Mr. Easthope is insisting on an non-linear approach, sadly. Which will lead to needless frustration and many blind alleys.
 
Let's start over with what we know right now:
 
a) The fuel filter has been replaced.
b) The main relay does not affect the spark. But re-soldering it is not a bad thing.
c) Parsing what was written by Mr. Easthope +/-4:32 am on February 1, 2021, when cold the car presents a yellow (weak) spark, when hot, no spark at all.
d) No spark at all pretty much eliminates a fuel issue as the primary culprit - and given the new filter, even that is unlikely.
e) Leaving spark.
 
So, in a linear (logical) fashion what could cause a thermal fault that causes a weak , then no spark?
a) Coil - thermal faults are exceedingly common in coils. If the coil is OEM, that becomes the first suspect.
1. Coils are cheap. $15 or so from Amazon.
2. Coils are easy to install - perhaps 15 minutes on a bad day, with the correct tools and good light.
b) Ignition Control Module - not so cheap ($26 or so) and a little fussier to install.
c) Distributor Module - From as little as $90 to as much as $200 - and as you suggest, covers all the bases. Requires a certain amount of care to install. I am not sufficiently familiar with Hondas to know if timing is an issue with a new distributor, or if it is all via the Hall-sensor. There is a Hall Sensor, so I suspect the latter.
 
Best of luck, Peter! Looks like you are going to need it.
 
Peter Wieck
Melrose Park, PA
"ohg...@gmail.com" <ohger1s@gmail.com>: Feb 09 02:23PM -0800

On Tuesday, February 9, 2021 at 12:33:10 PM UTC-5, Peter W. wrote:
 
> c) Parsing what was written by Mr. Easthope +/-4:32 am on February 1, 2021, when cold the car presents a yellow (weak) spark, when hot, no spark at all.
 
> Peter Wieck
> Melrose Park, PA
 
 
 
I'm not sure that's what he meant!
 
Here's his quote:
 
"With just a
> for several minutes. The spark was absolutely visible. Yellow rather
> than blue. As the engine heated it began to falter. Quit after about
> 10 minutes. Behavour entirely similar to what I reported originally. "
 
"As the engine heated *it* began to falter." That "it" could mean either the spark began to falter or the engine did...
"Peter W." <peterwieck33@gmail.com>: Feb 10 04:08AM -0800

Sequence-of-tense and basic grammar dictate that "it" is the engine that is faltering. After which presumption begins. Therein lies the danger.
 
Point being that in a technical discussion, words matter. "But you know what I mean...." does not apply. All we know is what is written. Mr. Easthope is not pursuing this problem with either rigor or logic. All we can do is be clear and concise in what we suggest within the limits presented.
 
Peter Wieck
Melrose Park, PA
Fox's Mercantile <jdangus@att.net>: Feb 10 10:24AM -0600

On 2/10/21 6:08 AM, Peter W. wrote:
> All we can do is be clear and concise in what we suggest within the limits presented.
 
This UseNet, that will never happen.
 
 
--
"I am a river to my people."
Jeff-1.0
WA6FWi
http:foxsmercantile.com
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