timing belt issue?
04-30-09, 03:10 PM
#18
Driver
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Ok everyone. I ran the scan for codes. Only came up with one code. P0305. Cylinder 5 misfire. Now what does that mean? Where is cylinder 5? Do i need to replace a coil pack? Thanks in advance.
Marc
Marc
04-30-09, 03:40 PM
#21
Instructor
Well, at the least pull the plug and see if it looks like it has been firing. Check compression to make sure there isn't a hole in your piston. Swap the coils between the rear plugs to see if it moves with the coil.
(I'm waiting for my wife to get off work - she has to work late -AGAIN - but at least she's working!)
Thanks mmatheny for the quick response!
04-30-09, 03:50 PM
#22
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Lol....a hole in my piston, that would suck! As for a compression check, how would i do that? Probably requires a tool that i dont have...
yes atleast she is working! hah
yes atleast she is working! hah
04-30-09, 04:31 PM
#24
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Harbor freight sells compression testers that are good enough to get the job done. Don't get to uptight about the "hole in the piston thing". It is possible, but a bad plug or coil is much more likely. Start with the spark plug and coil (you can move the coil to another cylinder to see if the miss moves). While you're replacing the plug, you can check compression while it is appart.
Remember to remove the fuel pump relay while you are checking compression. you do not want the engine loading up with fuel while you're checking compression on all the cylinders.
It could also be the injector. While you replacing the plug/coil, take a couple minutes to ohm out the injector (and check the connector)
Remember to remove the fuel pump relay while you are checking compression. you do not want the engine loading up with fuel while you're checking compression on all the cylinders.
It could also be the injector. While you replacing the plug/coil, take a couple minutes to ohm out the injector (and check the connector)
04-30-09, 04:43 PM
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Of course you will also want to ohm out the coil while everything is all apart. Compare the resistance readings to another coil, (same thing with the injector). Keep in mind that the resistance reading can be good, but the part is still bad, but if the resistance is bad it is a safe bet that the part is bad.
04-30-09, 06:19 PM
#26
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put a new coil in cylinder #5 and the problem is GONE. Thanks a million mmatheny, george jet and everyone else that helped me out with this. But of course i fixed that and my RF headlight just blew....lol.
05-01-09, 06:11 AM
#27
Instructor
How long did it take you to pull the manifold? Where did you get the coil, and how much? Glad you got it running in so short a time - and the hole in the piston was a small joke!
05-01-09, 08:52 AM
#28
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I didn't have to pull the manifold, just squeezed my hand back there with a small 10mm wrench and took the #5 out and swapped it with the #6. Reset the codes and then the #6 came up. I got the new coil @ advance auto for $60...it suprisingly is identical to the Toyota/denso part that I removed. Yeah, what a relief about the cheap fix!!!! That hole in the piston thing still has me laughing!