Need some help diagnosing
#1
Need some help diagnosing
Welllll....
Recently my car has been taking a longer time to start up... it turns over for a while before it starts...
I vagged my car today and came back with this:
16687 - Cylinder 3 Misfire Detected
P0303 - 92-00 - Unknown Error Elaboration
What is that? I know it's a misfire... Here's some things you might need to know:
1.) My last oil change was about 2,500 miles ago..
2.) My car isn't running any different, but after I cleared the code it came back after about 40 miles....
3.) I just change my spark plugs to brand new ones...
4.) My wires are kinda fresh (only 4 months old or so)
It feels like I'm getting some horrible gas mileage...
SO HELP ME!
Thanks,
TP
Recently my car has been taking a longer time to start up... it turns over for a while before it starts...
I vagged my car today and came back with this:
16687 - Cylinder 3 Misfire Detected
P0303 - 92-00 - Unknown Error Elaboration
What is that? I know it's a misfire... Here's some things you might need to know:
1.) My last oil change was about 2,500 miles ago..
2.) My car isn't running any different, but after I cleared the code it came back after about 40 miles....
3.) I just change my spark plugs to brand new ones...
4.) My wires are kinda fresh (only 4 months old or so)
It feels like I'm getting some horrible gas mileage...
SO HELP ME!
Thanks,
TP
#2
What engine do you have? It would be wise in the future to post the details about your car. Judging by you using the term wires, I assume you have a V6. When you replaced the plugs, what brand did you use? Did you gap every plug? Did you use the crush washers, and tighten the plugs down according to their instructions? Did you drop one on accident? Did you double check the wires to make sure they are seated properly?
#4
I have a 97 12v (it's in the sig)
Yeah, I gaped all the plugs .040...
I seated all the wires, twice...
Used the crush washers...
And used Bosch plugs (Platinum Ir Fusion)
The thing is that I was having the start up problems before I replaced the plugs... I thought replacing the plugs would help...
Yeah, I gaped all the plugs .040...
I seated all the wires, twice...
Used the crush washers...
And used Bosch plugs (Platinum Ir Fusion)
The thing is that I was having the start up problems before I replaced the plugs... I thought replacing the plugs would help...
#7
Any online audi performance page mad posts on here I found... Do it yourself though its crazy easy! Just need 2 take off engine cover...disconnect wire harnesses to every coil...take out 2 screws on every coilpack with allen wrench pull off spark plug and replace. Oh, just remembered u said u replaced sparks so u know this already my b
#8
This is what I need? Yes?
http://www.ecstuning.com/stage/edpd/...productID=2488
One more symptom is that once it starts... And it's been running, if I just turn it back off let it sit for 3-4 sec and turn the key again, it'll start right away... Does that sound like a coil pack again?
EDIT*
Can I test this out by switching the cyl 3 wire to the coil pack with another cyl? OR is this a big no no?
http://www.ecstuning.com/stage/edpd/...productID=2488
One more symptom is that once it starts... And it's been running, if I just turn it back off let it sit for 3-4 sec and turn the key again, it'll start right away... Does that sound like a coil pack again?
EDIT*
Can I test this out by switching the cyl 3 wire to the coil pack with another cyl? OR is this a big no no?
Last edited by Texas_Pete; 08-21-2008 at 10:50 PM.