GM OBD1 code 12? It means your engine's RPM signal isn’t detected during cranking. Common causes include a faulty crankshaft position sensor, defective wiring, or a malfunctioning ignition module. Haynes Manuals helps you diagnose and fix the problem step by step. Find your GM manual today at haynes.com. #HaynesManuals #HaynesShowsYouHow #GMRepair | Haynes Manuals
0:48
GM OBD1 code 12? It means your engine's RPM signal isn’t detecte…
2.1K views1 year ago
FacebookHaynes Manuals
How To Read OBD2 Trouble Codes WITHOUT a Scanner Chrysler, Dodge, Plymouth
1:46
How To Read OBD2 Trouble Codes WITHOUT a Scanner Chrysler, Do…
90.6K viewsJun 15, 2015
YouTubeWrench Sense
OBDII Scanner Connector Replacement Step by Step Actron CP9135
7:46
OBDII Scanner Connector Replacement Step by Step Actron …
86.8K viewsOct 7, 2016
YouTubeKeith Noneya
2011 Chevy Cruze P0171, U0100, U0140, U0073, Stabilitrak - Fixed
2:13
2011 Chevy Cruze P0171, U0100, U0140, U0073, Stabilitrak - Fixed
200.6K viewsMay 10, 2017
YouTubeVenturi2012
Read OBD1 CHECK ENGINE Codes CHEVY GMC 1982-1995 without Reader using a PAPER CLIP
7:56
Read OBD1 CHECK ENGINE Codes CHEVY GMC 1982-1995 without R…
265.6K viewsMay 15, 2018
YouTubeMan Meets Garage
GM FAULT CODE 42 ELECTRONIC SPARK TIMING(EST)CIRCUIT/FIXED
5:56
GM FAULT CODE 42 ELECTRONIC SPARK TIMING(EST)CIRCUIT/FIXED
83.3K viewsJan 29, 2018
YouTubeMBJ DIY
Ford OBD1 Diagnostic Codes
2:51
Ford OBD1 Diagnostic Codes
129.1K viewsJul 29, 2013
YouTubeFordsRule351
2:12
Ignition Fix EASY GMC Sierra or Chevy Silverado
1.4M viewsMar 29, 2014
YouTubeeXpert Auto / Home Repair
9:44
How to read OBD I codes on 82-95 GM vehicles (codes included)
3.6K viewsApr 16, 2021
YouTubeAverage Joe's
5:39
GM Truck DTC Code 22
41.2K viewsAug 14, 2016
YouTubeFarmboy's Garage
5:22
2011 GM Truck 2500HD ABS Module Replacement To Correct Network I…
38.9K viewsJan 10, 2021
YouTubePhillip Bailey
0:22
P0171 P0174 Sierra Silverado, my fix
56.5K viewsJan 19, 2018
YouTubenmeng
1:10:36
Diagnose and Repair GM OBD1 Computer Controlled Cars- Chevy …
7.3K viewsJan 14, 2023
YouTubeBits of Wisdom
6:57
OBD | On-board diagnostics | Part 2: OBD light, diagnostic trouble codes
14.5K viewsAug 7, 2023
YouTubeMotorservice Group
34:14
How to Wire LS SWAP OBD Connector + Check Engine Light - …
74.1K viewsSep 23, 2022
YouTubeUgly Truck Experience
2:41
How to Fix an OBD2 Port That's Not Working on a Silverado or Sierra T…
138.9K viewsFeb 11, 2021
YouTubeFarm Dad
4:11
Clearing OBD1 trouble codes on a 1990-95 C4 Corvette
18.7K viewsApr 17, 2023
YouTubeGreg's Garage
2:29
How to read trouble codes on 88-95 GM cars and trucks
458.3K viewsJul 1, 2017
YouTubehoohoohoblin
8:27
1993 Chevy Silverado Poor Idle Problem Solved (EASY)
187.1K viewsFeb 20, 2022
YouTubeGQ Auto Diagnostics
4:30
INNOVA 3123 GM OBD1 Code Reader: How to Use, Features, an…
15.1K viewsSep 22, 2023
YouTubeWeeklyTools
2:50
Top Check Engine Trouble Codes 2007-14 GMC Sierra 3500 Truck
8.5K viewsJun 26, 2021
YouTube1A Auto: Repair Tips & Secrets Only Mechanic…
7:32
GM Truck DTC Code 32
67.2K viewsSep 5, 2016
YouTubeFarmboy's Garage
19:40
Basic LT1 Tuning (Part 1): Getting Started
61.7K viewsOct 25, 2018
YouTubeJunkRacecars
11:06
GM Class 2 Network Diagnosis Tips
113.1K viewsJul 18, 2018
YouTubeTrained by Techs
2:40
How to Fix many GM Truck/SUV Electrical Problems
824.5K viewsJan 11, 2015
YouTubeJohn Burk
8:57
HOW TO PROGRAM KEY FOR GM/CHEVY ANTI-THEFT - ECU RE…
407.6K viewsAug 20, 2020
YouTubeAll Computer Resources
3:07
KOER Diagnostic Test OBD1 Ford How To
3.7K viewsFeb 15, 2020
YouTubeNic Bowen
6:17
How To Read Honda/Acura OBD1 Trouble Codes
191.8K viewsJan 31, 2019
YouTubePeanutButterMan
1:24
Jeep Wrangler YJ OBD Codes How To DIY
39.6K viewsNov 12, 2015
YouTubewwwCARSSUCKcom
7:40
1987-1995 OBS F-Series: OBD-1 Code Retrieval
230.4K viewsJan 8, 2013
YouTubeThe F-Series
See more videos
Static thumbnail place holder