doubleclutch
10+ Year Contributor
- 830
- 175
- Jun 26, 2009
-
Canton,
Michigan
1). Any boost, vac, or exhaust leaks?
No
2). Verified mechanical timing? Yes
3). Verified base timing? Yes
4). Ignition system
Stock
2 years
bpr7es
5). Motor health (Compression Test)
Cylinder 1:
Cylinder 2:
Cylinder 3:
Cylinder 4:
6). Performed basic throttle body adjustments?
Idle Switch: Yes
Throttle Cable: Yes
TPS: Yes
BISS: Yes
7). Compression ratio Stock
8). Any known bad sensors or brittle wiring? No
9). Any DTC/CEL codes? No
10). Electrical system
Car off (not running):
Car running:
11). Base fuel pressure and injector values
Base Fuel Pressure: 42.6
Injector Size (cc/min): 780cc
12). Properly calibrated and configured wideband sensor
Sensor Brand: Lc-2
Calibration Date: 3/17
13). Type of fuel
Type: 93
Percent of Ethanol: 10%
14). Watched ECMlink how-to videos?
yes
I am getting a lot of knock between 2 and 4k RPM at light and moderate throttle. I don't see anything in my logs. Short of pulling timing out of the stock timing maps, I don't know what to do.
Log attached.
No
2). Verified mechanical timing? Yes
3). Verified base timing? Yes
4). Ignition system
Stock
2 years
bpr7es
5). Motor health (Compression Test)
Cylinder 1:
Cylinder 2:
Cylinder 3:
Cylinder 4:
6). Performed basic throttle body adjustments?
Idle Switch: Yes
Throttle Cable: Yes
TPS: Yes
BISS: Yes
7). Compression ratio Stock
8). Any known bad sensors or brittle wiring? No
9). Any DTC/CEL codes? No
10). Electrical system
Car off (not running):
Car running:
11). Base fuel pressure and injector values
Base Fuel Pressure: 42.6
Injector Size (cc/min): 780cc
12). Properly calibrated and configured wideband sensor
Sensor Brand: Lc-2
Calibration Date: 3/17
13). Type of fuel
Type: 93
Percent of Ethanol: 10%
14). Watched ECMlink how-to videos?
yes
I am getting a lot of knock between 2 and 4k RPM at light and moderate throttle. I don't see anything in my logs. Short of pulling timing out of the stock timing maps, I don't know what to do.
Log attached.