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Hi,
Ok now you have asked for it! “ Any other thoughts or ideas?” :)(: ... which way to go from here?
You really want a bunch of frog legs in your skillet!
I agree that 3-4 seconds to crank is fairly a long time to crank after an engine has been ran. An hour is not a long cool down period.
That is why I like a 192 C thermostat in the engine, especially for winter time. It give the engine more of a buffer zone.
On a warm engine there should be some residual fuel vapors left in the cylinders or the intake runners around the valves. Enough to at least get one hit to an another in short order.
I agree with Amarin and Art that the ignitions health is always a first choice to square away.
I have seen plug gaps wear and some slight difference in having an occasional, very light stumble or misfiring develop. Hard starting is a little more a heavier issue and is as tricky to catch, as a frog. (:)
The original complaint was to find the lumpiness when cold and some rough idle warm. Appears that they were commingling together with the slow starts. All that adds butter to them frog legs. (:)
So it’s better now and is pointing to making this more of a study into its running mixtures. Hard start warm is more a lean issue than overly rich condition IMO.
MY first thoughts would say a leaky intake manifold due to movement on a bad gasket.
In my next thoughts is about the primed volume inside the fuel rail and the way you said it. Waiting five seconds after a prime, is not going to help fill the rail any further but may even empty it if it’s a leaky injector or FPR.
If you turned the key on several times and then “ Never Crank It” that would make sure the fuel rail is filled up.
You should hear the fuel pump spin up each time as the ECU does this on ‘91 and later cars. It’s part of the EKZ system on a singular crank over. Listen carefully when rolling the key over to position two!
I will say that all three of the nineties cars of mine seem to be a little slower in coming up with a hit, when compared to my 1984 and 1986 LH systems.
My 1984 almost scares me, the way it pops over, after sitting cold and it barely cranks a revolution. Sort of unique, when I study them in “comparisons.”
A couple seconds or less is more normal. Past that, I would notice the extra cranks, like you! I even notice an occasional oil light going off slow at times!
The conversations you are having on the Brickboard are telling me you like being in tune with your cars and that means they have to be speaking about their tune to you.
Some may think, we’re their more modern clunkers, that “hey it does start!”
In reality it’s the battery, alternator and the starter that wears out before their time! The Number One failure point on any automobile is a start mechanisms.
Even the button on electric cars of the future!
Has anyone notice the Jacked up prices of engine oil lately!
They are either leading or chasing the antifreeze marketing scam!
Walmart is half the price of these “department store” like parts houses out here on the west coast! Advance Auto bought out Car Quest.
Now the two others left, are joining the rodeo of a roundup of combustion engine drivers wallets!
Electric cars are coming to run them out of business.
Imagine a car that won’t even have to have caliper brakes!
It will Autonomous remote control cars using motors to lock them up!
Yep, I told a lady that the future will bring “no traffic lights” as the cars will leave spaces between, so the other cars will cross between them, with collision avoidance systems!
She said, “that sounds scary!”
I didn’t say this,
Humans are such thoughtless frogs, to do that in the first place!
I’m in Maui today, on a cruise and I didn’t drive one bit to get here, wonderful!
Phil
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