Distributor Help
#1
Honda-Tech Member
Thread Starter
Distributor Help
Hey HT I have a 95 GSR engine that seems to be misfiring intermittently, mostly when the car is at normal operating temp, it will start and run when cold 90% of the time. I checked spark and cyl #2 has a misfire, BUT I switched the wires from cyl #3 to #2 and it fired just fine, switched them back and no more misfire! but the car still runs the same with the same misfiring issue. And the car will only try to run with the distributor advanced all the way.
I've already replaced:
-Distributor
-Plugs
-Wires
-IACV
-ECT sensor
So I really need your help HT because I've had my mechanic look at it and even they are all stumped at the shop, so if any of you guys can help it would be greatly appreciated! Thanks HT
I've already replaced:
-Distributor
-Plugs
-Wires
-IACV
-ECT sensor
So I really need your help HT because I've had my mechanic look at it and even they are all stumped at the shop, so if any of you guys can help it would be greatly appreciated! Thanks HT
#2
Re: Distributor Help
Check valve adjustment. A valve that is too tight causes loss of compression and misfiring at idle when warm.
Set timing with a light (the ECU test connector must be jumpered). If spark timing doesn't come in near the center of the adjustment range, check cam timing marks.
Set timing with a light (the ECU test connector must be jumpered). If spark timing doesn't come in near the center of the adjustment range, check cam timing marks.
#5
Honda-Tech Member
Re: Distributor Help
Why did you make two threads!!
i already told you what they just said in your first thread!,
Fuel wont cause the missfire, if you switched #2 wire to #3 wire and the missfire went away its a bad wire. Or if it doesnt change from switching the distributor wires try the injectors! might be a bad injector missfiring.
Try reseting the ecu just unplug the battery or ecu fuse to see if the missfire and cell goes away if not its deff a mech timing issue.
and a mech shop stumped on a honda missfire yea right lol they always BS with people they know they just diddnt want to help you i think..
Also check to see if your timing is off mechanically, the cams may have skipped a tooth or two, Advancing the distributor to make it run is not good! check the timing first!!!
i already told you what they just said in your first thread!,
Fuel wont cause the missfire, if you switched #2 wire to #3 wire and the missfire went away its a bad wire. Or if it doesnt change from switching the distributor wires try the injectors! might be a bad injector missfiring.
Try reseting the ecu just unplug the battery or ecu fuse to see if the missfire and cell goes away if not its deff a mech timing issue.
and a mech shop stumped on a honda missfire yea right lol they always BS with people they know they just diddnt want to help you i think..
Also check to see if your timing is off mechanically, the cams may have skipped a tooth or two, Advancing the distributor to make it run is not good! check the timing first!!!
#6
Honda-Tech Member
Thread Starter
Re: Distributor Help
Why did you make two threads!!
i already told you what they just said in your first thread!,
Fuel wont cause the missfire, if you switched #2 wire to #3 wire and the missfire went away its a bad wire. Or if it doesnt change from switching the distributor wires try the injectors! might be a bad injector missfiring.
Try reseting the ecu just unplug the battery or ecu fuse to see if the missfire and cell goes away if not its deff a mech timing issue.
and a mech shop stumped on a honda missfire yea right lol they always BS with people they know they just diddnt want to help you i think..
Also check to see if your timing is off mechanically, the cams may have skipped a tooth or two, Advancing the distributor to make it run is not good! check the timing first!!!
i already told you what they just said in your first thread!,
Fuel wont cause the missfire, if you switched #2 wire to #3 wire and the missfire went away its a bad wire. Or if it doesnt change from switching the distributor wires try the injectors! might be a bad injector missfiring.
Try reseting the ecu just unplug the battery or ecu fuse to see if the missfire and cell goes away if not its deff a mech timing issue.
and a mech shop stumped on a honda missfire yea right lol they always BS with people they know they just diddnt want to help you i think..
Also check to see if your timing is off mechanically, the cams may have skipped a tooth or two, Advancing the distributor to make it run is not good! check the timing first!!!
Last edited by DylanGSR_eh9; 03-07-2016 at 06:57 PM.
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#8
Honda-Tech Member
Re: Distributor Help
Its possible the crank could be off, set the cams back to tdc make sure they line up perfect then look at the crank pulley and see if the line on the oil pump lines up with the mark on the crank pulley, if its not lined up timing skipped but usually you will see this when you line up the cams.
It still sounds like your timoing is off mech. If you have to advance it to run its deff off.
Here are some things that can cause a misfire: bad o2 sensor, bad plugs, bad plug wires, bad distributor, EGR ports clogged, bad gas, out of spec valve clearance, bad fuel filter, bad cam timing. Since you replaced the plugs and distributor I would check everything else in the list.
It still sounds like your timoing is off mech. If you have to advance it to run its deff off.
Here are some things that can cause a misfire: bad o2 sensor, bad plugs, bad plug wires, bad distributor, EGR ports clogged, bad gas, out of spec valve clearance, bad fuel filter, bad cam timing. Since you replaced the plugs and distributor I would check everything else in the list.
#9
Honda-Tech Member
Thread Starter
Re: Distributor Help
Its possible the crank could be off, set the cams back to tdc make sure they line up perfect then look at the crank pulley and see if the line on the oil pump lines up with the mark on the crank pulley, if its not lined up timing skipped but usually you will see this when you line up the cams.
It still sounds like your timoing is off mech. If you have to advance it to run its deff off.
Here are some things that can cause a misfire: bad o2 sensor, bad plugs, bad plug wires, bad distributor, EGR ports clogged, bad gas, out of spec valve clearance, bad fuel filter, bad cam timing. Since you replaced the plugs and distributor I would check everything else in the list.
It still sounds like your timoing is off mech. If you have to advance it to run its deff off.
Here are some things that can cause a misfire: bad o2 sensor, bad plugs, bad plug wires, bad distributor, EGR ports clogged, bad gas, out of spec valve clearance, bad fuel filter, bad cam timing. Since you replaced the plugs and distributor I would check everything else in the list.
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