Hey everyone, long time, how's everyone?

Just seeking some advice/suggestions.

My car for the past 3-4 mths has been running good, once a mth it would bog when hitting the gas but still run (20-30 mins for that one day). Yesterday it was doing the same thing for 1/2 hr but this time it was giving me an engine light, I drove for a few mins, it went away and the car ran OK for the next 20 mins.
This morning, the car is doing the same thing and was running like total **** (a lot worse than yesterday), this time the engine light remained on while I was near my house this time so I pulled over and ran some codes and parked it. Basically it's running on 1 cylinder due to the codes I have received.

I received 5 codes:

P0300 Random/Multiple Cylinder Misfire Detected
P0302 Cylinder 2 Misfire Detected
P0303 Cylinder 3 Misfire Detected
P0304 Cylinder 4 Misfire Detected
P1399 Wait To Start Lamp Circuit

What are your suggestions on troubleshooting this? The motor is up for a tune up right now and I was getting around to doing it in the next couple of weeks but i'm unsure if it will resolve the current issue.

The car is driven like a granny so the motor is not taking a beating..oil level is good.

Any suggestions would be appreciated, thanks

 

Check for proper fuel pressure/delivery, spark, timing and ultimately a compression test.

 

just b/c you're getting misfire codes doesn't mean the engines only running on 1 cylinder, it just means that the ECU has detected a misfire in that cylinder at one point in time.
While its in at the shop, why not have a qualified technician diagnose/fix it for you? Sounds like the easiest solution to me.

 

true zee...i'll try to do some tests at home..the car is not at the mechanic. I want to make an attempt to fix it at home.

 

i guess i misunderstood, i thought that i read that your car was in at the shop for a tune-up...lol

Misfires can be tricky to diagnose, could be as simple as needing new spark plugs/wires or sometimes it can be very frustrating to fix.

 

Thanks,

I did a tune up..car is running good again..I believe what caused the issue was the rain though..I believe it rained last mth too when it happened.

What causes these issues in the rain?

Thanks

 

moisture in the dizzy ect

 

if theres a leak in the ignition system, water will cause a path to ground for the electricity. Anything can leak really.. caps, wires, coil packs, etc.

 

Thanks all

Seems to be running fine since I did a full tune up a couple days ago. None of the parts had moisture though. We'll have to wait and see..