A LOT of driveability/idling problems may get cleaned up going this route. I would suggest getting a better chip from matched to your injectors of course.
BTW, here's the install manual for the Scanmaster just in case you dont have one: Turbocharged mystery: How did TWIN 1987 Buick Grand Nationals end up parked for decades in a dirty. For example, in the link, the X-Counts equates to the Scanmaster's CC display.
The link is for the readings for the Powerlogger, but a lot of the parameters are ones that are displayed on the Scanmaster as well. Pay close attention to the link provided above that explains the Scanmaster readings. A non-funtioning oxygen sensor will also screw up you BLMs as well. Scanmaster 2.1 Original style For Turbo Buick Grand National & T-Type 86-87, Turbo Trans Am 249.99 249.95 Power Logger Scan Tool for 1986-87 Buick Turbo Regal Grand National Turbo T, T-Type & TTA's 264.
12 ERROR CODE DIAGNOSTIC SYSTEM FUNCTIONING CORRECTLY. Getting trouble codes from your SES light, ALDL connector or scanmaster Here’s a list of the code numbers & what they mean: ERROR CODE MALFUNCTION DESCRIPTION. The crosscounts are a measurement of how often the oxygen sensor is crossing the stoich line (~14.7AFR) from rich to lean, thus supplying the ECM with a means to maintain a good fuel/air mixture. Buick Trouble Code Decoder for Scanmaster ALDL or SES Light. If they are not cycling, that most likely means your oxygen sensor is dead, hence the code 44. This would be indicative of an active sensor.which is a good thing. The quicker they cycle, the better actually. However, they need to cycle from 0-255 repeatedly especially when cruising around. These may or may not cycle at idle depending on your chip. The "CC" on the Scanmaster is your oxygen sensor crosscounts. That's the only wire you need to disconnect before changing chips. There should be a connector close to the battery. See that little orange wire leading from the positive terminal of the battery? That's the 12v supply for the ECM. NOTE - You may also be interested in these related parts - #7326 MAF Translator, #7383 Powerlogger Scan Tool, and #6783 Scanmaster 2.Here's the procedure for adjusting your TPS:Īlso, there's no need to remove the negative cable from the battery. View and clear diagnostic trouble codes, diagnose and tune your engine.įor more details go to. Automatic internal logging of PowerLogger and ALDL data
Bluetooth for wireless logging to Android (phone/tablet) and PC for both PowerLogger and ALDL Reads ALDL streams (regular and high-speed) and PowerLogger 2-1/16″ gauge mounting, black bezel, black face standard. Now updated to the 21st century technology. Due to their low production run, no matching Sand Stone color is being offered for the 84-85 Grand National. 1986 & 1987 Buick Grand National Scanmaster Data Value Definitions and operating walk-through.Link for Scanmaster Definitions at Turbobuicks. Burgundy and Dark Blue colors are also color matched to those interior colors in the Turbo Regals. Turbo Regal owners have requested it, now the Scanmaster has been redesigned and formatted to fit a standard 2-1/16″ gauge. Grand National Medium Dark Grey, Burgundy, Dark Blue and Black. SCANMASTER G Datalogging and Scantool in a 2-1/16″ Gauge