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 > '83 Toyota pickup start trouble in cold, wet weather

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dragonflyspit

PNW, US

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Posted: 12/01/19 04:48pm Link  |  Quote  |  Print  |  Notify Moderator

It starts with just a couple of pumps all summer, and it was starting well even in freezing weather during our freakishly dry autumn, but when the rain returned last week, it began giving me a lot of trouble.

I had already replaced plug and coil wires a couple years ago, so I know they aren't the issue. Toyota forum threads on similar issues most often blame a bad coil or distributor cap. That makes perfect sense to me except that I can get mine to start with a shot of starting fluid. If It's lack of spark or weak spark due to moisture in the distributor, how would starting fluid help?

Because I'm poor as a church mouse; I don't get around repairs as easily as I once did, and it's cold as a well-digger's @$! out there, I'd really like some insight into this before I start pulling things apart.

Thanks in advance.

Ductape

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Posted: 12/01/19 05:10pm Link  |  Quote  |  Print  |  Notify Moderator

I’d still think spark problem, ether is easier to ignite than gasoline. Try a heat source like a trouble light with an incandescent bulb and leave it near the coil or distributor during wet spells. That will drive off any condensation. A heat gun if you have one or a small space heater could be used also.

When you locate the part that when warm and dry cures the no start then you’ll know what to replace.


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enblethen

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Posted: 12/01/19 05:10pm Link  |  Quote  |  Print  |  Notify Moderator

Starting fluid ignites at a much smaller spark.
Look for tracking between the primary and secondary terminals on coil and cap. It may look like a pencil mark.


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GeoBoy

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Posted: 12/01/19 05:32pm Link  |  Quote  |  Print  |  Notify Moderator

If the OP keeps using starting fluid he will have a lot bigger problems. Replace the cap, rotor and wires with new and go from there.

Bedlam

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Posted: 12/01/19 06:00pm Link  |  Quote  |  Print  |  Notify Moderator

Wasn't your '83 the last year of the 22R carbureted engine? Clean your idle jet and inspect your vacuum lines.


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FishOnOne

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Posted: 12/01/19 06:05pm Link  |  Quote  |  Print  |  Notify Moderator

Make sure your carb priming pump actually works. You can't assume anything on a vehicle this old.


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kw/00

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Posted: 12/01/19 06:12pm Link  |  Quote  |  Print  |  Notify Moderator

Carb issues? If it starts with starting fluid, I would look into the carb. Modern fuel made of ethanol really messes with the carb. I use non ethanol in all my carb equipment, even my 69 C10. Also check the fuel filter and replace.


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kw/00

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Posted: 12/01/19 06:13pm Link  |  Quote  |  Print  |  Notify Moderator

FishOnOne wrote:

Make sure your carb priming pump actually works. You can't assume anything on a vehicle this old.


This as well.....

colliehauler

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Posted: 12/01/19 07:44pm Link  |  Quote  |  Print  |  Notify Moderator

enblethen wrote:

Starting fluid ignites at a much smaller spark.
Look for tracking between the primary and secondary terminals on coil and cap. It may look like a pencil mark.
A distributor cap would be my guess as well since it starts in dry weather.

memtb

Wyoming

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Posted: 12/01/19 07:54pm Link  |  Quote  |  Print  |  Notify Moderator

I’ll go with a previous answer......potentially a cracked rotor cap or the cap my have “carbon tracking” made worse with high humidity! memtb


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