chema
New member
- Location
- Los Angeles, California
- Car(s)
- 2017 Golf R
Hey everybody! New member here,
To start off, my car is a 2017 Golf R with about 21,500 miles (I bought it a year ago with 15,600) and it's equipped with full bolt-ons. It's been treating me great but I've noticed weird issues that are of concern to me.
First, I get inconsistent misfires pretty much every time I drive it as during one 20-minute drive I get 3-8-2-5 misfires on cylinders 1-4 respectively, but then on another 20-minute drive I get 7-1-4-2 misfires (my car does not throw a CEL or a misfire code but I see this on my scanner from Snap-On).
Secondly, my Cobb AP reads high knock values on at least 3 cylinders whenever I go WOT (the values typically fall into the 5-8 range on any tune).
Thirdly, on my base map from Sneekytuned my car would go into limp mode and throw an EPC light whenever I try to do a 2k-6.5k rpm WOT pull in 3rd gear (there would be no throttle response but the car would drive like normal after I restart the car). I currently have installed a MAPerformance stage 2 tune and it doesn't cause my car go into limp mode.
I'm not sure what the problem(s) may be as I have one-step-colder Brisk spark plugs, RS3 coil packs, and an HPA HPFP installed. I live in LA so I run 91 octane gas from Shell. I've been told that it may be my fuel injectors but on my AP my AFR falls right around the 14.7 value while idling. Does anyone have any clue as to what would be the main cause of these things? Sorry for the long post but I'd appreciate any info on what I should look at in diagnosing these things before I go ahead and waste money taking it to a dealership!
To start off, my car is a 2017 Golf R with about 21,500 miles (I bought it a year ago with 15,600) and it's equipped with full bolt-ons. It's been treating me great but I've noticed weird issues that are of concern to me.
First, I get inconsistent misfires pretty much every time I drive it as during one 20-minute drive I get 3-8-2-5 misfires on cylinders 1-4 respectively, but then on another 20-minute drive I get 7-1-4-2 misfires (my car does not throw a CEL or a misfire code but I see this on my scanner from Snap-On).
Secondly, my Cobb AP reads high knock values on at least 3 cylinders whenever I go WOT (the values typically fall into the 5-8 range on any tune).
Thirdly, on my base map from Sneekytuned my car would go into limp mode and throw an EPC light whenever I try to do a 2k-6.5k rpm WOT pull in 3rd gear (there would be no throttle response but the car would drive like normal after I restart the car). I currently have installed a MAPerformance stage 2 tune and it doesn't cause my car go into limp mode.
I'm not sure what the problem(s) may be as I have one-step-colder Brisk spark plugs, RS3 coil packs, and an HPA HPFP installed. I live in LA so I run 91 octane gas from Shell. I've been told that it may be my fuel injectors but on my AP my AFR falls right around the 14.7 value while idling. Does anyone have any clue as to what would be the main cause of these things? Sorry for the long post but I'd appreciate any info on what I should look at in diagnosing these things before I go ahead and waste money taking it to a dealership!
Also you don't need a HPFP for an E30 tune....