fixed it was spark plug wires.
The difference in temperature between a warm tube misfire and a warm tube misfire in hot weather is the temperature that resulted in the hot weather .
tune it up
to much fuel. check the fuel pressure regulator,crank sensor,
The firing order for a 1999 Audi s4 is 1-4-3-6-2-5. When the firing order in incorrectly placed the vehicle can misfire and cause several drivability issues.
Make sure the spark plugs have been changed recently. Also other usual tune up items (air filter, fuel filter, etc) can't hurt either. The plug wires are also another item that may need to be changed. If a check engine light is on, have it scanned. There are many reasons a misfire can occur, knowing under what conditions the misfire is occurring would be helpful...
You need to dry out the ignition circuit to no 3.
High idle, misfire, check engine light,High idle, misfire, check engine light,
P0300 = random misfire. Could be as simple as needing a tune up.
P030* basically means a cylinder has a misfire. P0301 is cylinder #1, P0302 is #2, and so on. P0300 means that there are random misfires caused by a vacuum or compression leak, little or no spark, etc.
I hope your barb was a misfire.
Misfire and O2 sensor erratic voltage. It can be many things. Don't throw parts at the problem. Take it to a professional.
It means that more than one cylinder has a misfire history. PO301 would be cylinder number 1 misfire. PO302 would be number 3 cylinder misfire.
Random misfire, cylinder 2 misfire, and cylinder 3 misfire. see related question below.
Fuel pump, Ignition timing, spark plug misfire, fuel filter, air filter, take it to a mechanic.
How do u fix a misfire
Misfire in Cylinder No. 8.
No it will not cause misfire.