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Old 07-21-2014, 11:03 PM   #1
Outlawjoseywales
 
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Default Running rough again

Good news is, it's running. I had a bad #3 cylinder misfire that a new fuel injector fixed. It drives and will run fast, just idles rough and still runs rough.

It seems to be a kinder version of what it was doing before the #3 fuel injector replacement.

Went down to Autozone and got a 0340 code and ANOTHER 0303 #3 cylinder misfire code.

0340 cam shaft position sensor error code?

I'm reading as much as I can find on this.
Thanks for any help.

And sorry for being such a pest. I've come a long way with my HB, and still have a ways to go with her.
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Old 08-03-2014, 05:50 AM   #2
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Have you checked your base timing with a light? If off readjust by loosening the distributor bolts and either advancing or retarding timing. Have you done a good ignition tune up? Plugs, wires, cap and rotor? If not do it. Cam sensor code huh? Check your pickup coil inside the dizzy with a multimeter set to ac voltage and compare to
Spec. The ECM uses it's voltage signL to monitor piston position in
Cylinder one and turns the transistor on inside the ignition control module to complete the primary ignition circuit to charge and discharge your coil to generate a high voltage spike to fire the plugs. The
Icm is your trigger that switches the primary ignition circuit. Also check for any vacuum leaks that could lean out the air fuel mixture to
The point of incomplete combustion. Also remove your egr valve,
Slide a credit card under it and reinstall, if it
Fixes the problem carbon buildup could cause the valve to stick
Open or needs a new eye valve
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Old 08-03-2014, 05:50 AM   #3
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Hope this helps a bit sir.
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Old 08-03-2014, 09:34 PM   #4
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Thanks Filty,
appreciate the post. I got a couple of original distributors for a great price and I'm going to throw one of them on there and see if anything good happens. Although they are used, I'm kinda' leary about after market/non original parts, as I've heard they sometimes don't work.

It's running pretty good, still getting poor gas mileage and the engine is not smooth at idle. But, it's still running better than ever since the new #3 fuel injector and new plugs and wires.

My mech said it was not running smoothly because #2 and #4 have weaker compression than #1 and #3. I don't know if that's right or not. Somebody else on here that knows might help with that.

Just got this code and thought I'd throw on a different dizzy on there to see if it'll change the cam sensor code.

If my thinking is all wrong, PLEASE straighten me out.
thanks again,
OJW
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Old 08-04-2014, 01:35 AM   #5
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if you suspect low compression on those cylinders, do a compression test.

remove the spark plug on the cylinder you testing, ground the wire (very important because electricity follows the path of least resistance and if you don't it wont find ground and arc the coil), disconnect the fuel injector connectors, hook up the compression gauge, and crank the motor consistently for about 10 seconds.

then record the PSI readings on a piece of paper.

drop ONLY 2 drops of motor oil in the cylinder and retest... if the readings improve its worn piston rings. if the readings don't improve the valves aint seating right....

move onto the next cylinder and do the same process as I have stated above.

then compare all cylinder readings...

if theres a 15% or more variation from cylinder to cylinder its safe to say that the motor is worn and its time for a rebuild or throw another used one in

and.. yes OEM distributors are always a better option even if they used or out of a junkyard... aftermarket piece of shit Chinese ones are fucking horrible bro
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Old 08-04-2014, 02:34 AM   #6
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Wow, thanks filthy for the information.
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Old 08-04-2014, 02:42 AM   #7
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Anytime man here to help.... Lemme know what you find
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Old 08-08-2014, 02:26 AM   #8
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Any progress ojw?
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