96 A4 2.8 quattro

P0116
P0401
P0304

guy at autozone said something like needing a full tuneup and misfiring... _ _
change those codes into English please? or.. semi-english at least...
Thanks all for the help

 

DTC: 16500
P-Code: P0116
Description: Engine Coolant Temp.Circ Range/Performance

... possible Coolant Temp Sensor failing


DTC: 16785
P-Code: P0401
Description: Exhaust Gas Recirc.Flow Insufficient Detected

... EGR Check valve failing most likely. Or maybe the EGR passage in the manifold is full of crud and deposits. Could also relate to a Temp Sensor failure.


DTC: 16688
P-Code: P0304
Description: Cyl.4 Misfire Detected

... this could be a lot of things. Ignition control module, plugs, coilpack...

 

*sigh*[:'(]

you rock man, thanks for the help[&:]

 

Ahhh could be worse....it's a pretty easy fix.

 

Yeah the temp sensor is simple and cheapo.

 

true true~ more of a *sigh* of relief...
just hoping plugs will do...

 

If you need a procedure I've posted it many times before...let me know if you can't find it.

 

could you tell me how to i fix that sensor.

i have the same problem i will buy that sensor from ecstuning

waiting for your reply.

thanks,
ram.

 

I posted a reply to you on your thread RAM.


Plugs are simple on 1.8L... i dont know how they are on 2.8L.

Do 2.8L have coils?


Plugs/wires, ICM, ... but I dont think its the ICM, since no blinking cel or multiple misfires.. my best guess is a spark plug....

ECT (Enine coolant temp sensor) is easy on the 1.8L.. not sure on the 2.8L .. i will try to find the diagram...

have fun!

 

P0401 EGR valve coked up or malfunction could cause the other codes, that year has a coil pack