Q&A

Have the codes rear out, that may help direct you to where the problem is. It may go without saying, but washing an engine with water is not a good idea!

I have a 96 s32o and I have that kind of problem; rough engine run. this happens when i exceed the 3.5K rpm during acceleration and the'check engine'light turns on. I get a PO3 missfire on the diagnostic report.

a quick fix that i do is to turn off the engine and restart. the check engine light remains but the rough run goes away. to turn off the check engine light, i simply erase the report from the car's computer w the OBD tool.

I hope this helps.

As for this problem, is there anybody who can tell me why this is happening?

thanks.

t2p

The same thing happened to me and I couldn' figure it out. I finally found a similar post. I there was water in my spark plug wells. I had to remove the water with paper towel and dry out the spark plug well with air. Then I replaced the plugs and the car is running better now than before the problem. The spark plugs on the s320 are located under the plastic sheild in the middle of the engine. You will need to remove the air intake manifold first to get to the spakr plugs. Remove the throttle wire then remove the items.

Did you happen to check to see if your timing is correct, and if you have a faulty condenser ignition?