Need some help with 2,3, and 4 misfiring
#1
Need some help with 2,3, and 4 misfiring
ok i did some work on my engine and i had to take the timing belt off. well i thought i had botht the crankshaft and the cam shaft at top dead center. my cel is throwing codes 71, 72, and 73. These codes are misfires in the 2, 3, and 4 cylinders. Im assuminthis is because the cam shaft and crank shaft werent at top dead center like i thought. I drove it a few miles and it is knocking real bad and im HOPING that this is cause with the misfiring. Anyone got any ideas?
#3
Re: Need some help with 2,3, and 4 misfiring
ok now i got the timing belt on with both on TDC. well when they werent on right it was starting and clicking. now that they are right the car wont even start. timing?? i thought it would at least start with the timing wrong but run like crap. any ideas. thanks guys.
#4
Re: Need some help with 2,3, and 4 misfiring
Are the plug wires installed in the correct firing order on the distributor?
Do you have spark?
Does the fuel pump prime?
Is the CEL on?
Do you have spark?
Does the fuel pump prime?
Is the CEL on?
#5
Re: Need some help with 2,3, and 4 misfiring
yeah i have a chilton manual. the wires are correct. the cels still throwing 71 72 and 73. oh by the way thanks for the diagram of TDC, i didnt quite understand the one in chiltons. could it be the distributor?
#6
Re: Need some help with 2,3, and 4 misfiring
Reset the ECU and crank the engine. Are those three codes thrown again?
Do you have spark at all four plugs?
Does the fuel pump prime?
Do you have spark at all four plugs?
Does the fuel pump prime?
#7
Re: Need some help with 2,3, and 4 misfiring
does the fuel pump make a noise right before it starts?? if yes then yes it is priming. to see if i have spark i could stick a screw drver into the plug that goes onto the plug and touch the metal of the screw driver and see if it sparks right?? im about to go reset the ecu and check for spark. thanks for the help.
Trending Topics
#9
Re: Need some help with 2,3, and 4 misfiring
ok i have spark in all 4 cylinders. when i turn it on the hum sounds like its more or less coming from the front. havent reset the ecu yet.
#10
Re: Need some help with 2,3, and 4 misfiring
i did some searching and see that someone else said on someone elses post that it could be that the rotor on the distributor that connects to the cam chaft could have been rotated 180 degrees when i took it out that might be it, im gonna try.
#11
Re: Need some help with 2,3, and 4 misfiring
Remove the fuel filler cap and put your ear to the hole while a buddy turns the key to ON(II). Do you now clearly hear the fuel pump priming? If so, double check the mechanical timing. Posting pictures of the cam and crank at TDC1 would help. If the timing is fine, compression test the cylinders.
#12
Re: Need some help with 2,3, and 4 misfiring
It would be difficult to install the distributor 180-degrees out of phase, but I guess it's worth checking. You also might want to check whether the fuel injector connectors have battery voltage with the key in ON(II).
#14
Re: Need some help with 2,3, and 4 misfiring
ok i running. the distributor was the problem, like i said i turned it 180 degrees and it worked. only problem is now its still knocking/ticking.
#16
Re: Need some help with 2,3, and 4 misfiring
Now you need to adjust the ignition timing to spec using a timing gun and having the 2p connector jumped.
#18
Re: Need some help with 2,3, and 4 misfiring
well you see here, how do i explain howi got the offset ends mixed up. ummm... i was in a hurry, its dark, all good excuses but mostly i would say i was being an idiot haha. so could the knock be cause by the timing being off??
#19
Re: Need some help with 2,3, and 4 misfiring
so could the knock be cause by the timing being off??
#20
Re: Need some help with 2,3, and 4 misfiring
oh i know, i was ridiculing myself haha. the first time i put it on i knew that but then i got in a hurry and forgot. just not looking forward to tomorrow taking the cover off again and messign with all that stuff again. ive been messing with it for like 5 days straight now non stop. its killin me
#21
Re: Need some help with 2,3, and 4 misfiring
ive been searching everywhere for how to reset the 2p connector. where is it located and im assuming its jumped like the cel or is 2p just another word for the cel
#23
Re: Need some help with 2,3, and 4 misfiring
To reset the ECU, pull the 7.5A Back Up fuse under the hood for a few minutes and then reinstall.
#24
Re: Need some help with 2,3, and 4 misfiring
Change your spark plugs the wires the cap and the rotor if that doesnt help it might be ur ignition coil had the same problem but with cylinders 2 and 4 it was my wires. try that and if not it could be a bent valve
#25
Re: Need some help with 2,3, and 4 misfiring
yeah i reset the ecu and my 71,72, and 73 codes went bye bye thank god. but still the knock. i almost wanna take it to honda tomorrow but i dont wanna spen cash on something i can probably just fix myself with a little extra time and effort