Q: I have 05 audi a 6 Quattro 4.2. I sprayed the engine off one afternoon. Now I'm getting primary/ secondary circuit malfunction sho

asked by on

I recently sprayed my engine off. Next day, started it and it was missing. Hooked scanner to it and codes for po 300 random/ multiple misfire, po351 ignition coil A primary/secondary circuit malfunction and cylinder 1&5 misfire. Changed spark plugs and 1&5 coil packs. Still missing like it was. What is ignition coil A primary secondary malfunction? If you can help I would greatly appreciate it.

My car has 134000 miles.
My car has an automatic transmission.

electrical system
Misfire
2005
trouble codes
Audi
A6 Quattro
V8-4.2L
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
Related Questions
Q: Evap solenoid hoses routing
by Steven B
Q: My radiator fan is shaking and rattling.
by Ben C
Q: Dip stick doesn't register ANY oil though I just made oil/filter change. No obvious leaks above or below. Let run, but same result
by Warren L
Q: Check Engine Light does not come on even though there are trouble codes present
by Michael
Q: Car lunges forward when gear is engaged
by Max M
Q: Crack in coolant reservoir
by Christian P
  1. Home
  2. Questions
  3. I have 05 audi a 6 Quattro 4.2. I sprayed the engine off one afternoon. Now I'm getting primary/ secondary circuit malfunction sho

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: My 2006 XJ8 billows lots of smoke under heavy acceleration. The problem is intermittent and does not burn oil all the time. But wh

Hi there. Typically when you have a lot of smoke coming from the exhaust upon acceleration, it's an indication of piston rings that have worn out and require replacement. However, it is also possible that a failure of an oil...
Read more

Q: truck won't "turnover" even with new battery

Be sure any engine immobilizer system (security system) is not activated, thus preventing the car from starting. Broadly, either the starter motor/solenoid assembly is faulty or the electrical circuit supplying the motor has a fault. That circuit begins at the...
Read more

Q: Have already changed plugs, plug wires, and ignition coils, but the engine still wants to stall and shake a lot.

You may need to have you crankshaft position sensor relearned or have the sensor replaced. Also the catalytic converter could be partially clogged. If everything is working properly, then it is possible that some intake bolts could have...
Read more

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
Read more
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
Read more
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
Read more

Browse other content

Estimates
Services
Cities
Maintenance