WebJan 30, 2024 · Code 43 is set when: ? Voltage at Knock Sensor is above 4.8 volts or below .64 volts. ? Either condition is met for about 10 seconds. Possible Causes: 1. Open or shorted knock sensor 2. Loose knock sensor 3. Excessive mechanical noise within engine 4. Improper or incorrectly installed MEM-CAL in the ECM or defective ECM 5. WebGM 2 Digit Trouble Codes Tech -- GM 2 Digit codes for 82 and up (non OBD-II) code - code definition 12- diagnostic mode 13- 02 sensor or circuit 14- coolant sensor or circuit/ high temp indicated 15- coolant sensor or circuit/ low temp indicated 16- system voltage out of range 19- crankshaft position sensor or circuit
How to read older GM OBD diagnostic codes for free
WebJan 3, 2011 · Jul 04, 2009 • 1995 GMC Suburban helpful No spark 350 chevy tbi You need power on both sides of the coil with key on engine off. With test light on neg side of coil you should get flashing light with engine cranking. No flashing indicates no trigger from ign module. No flashing can also mean the pick-up is faulty. WebOct 10, 2024 · Turned out to be the injector fuse. Replaced the fuse it started right up. I assumed it was a chafed wire on the pump harness because everything else is completely covered with corrugated inner duct. I put some duct on the pump harness. No issues for a couple weeks. Then it popped again just trying to start in my driveway. pelican 1780 transport case with foam black
1988-98 Chevy and GMC C/K 1500/2500/3500 Pickup …
WebCode Description Code 12 No distributor reference pulse (diagnostic test active) Code 13 Oxygen sensor circuit open or no ... GM Information / GM OBD I Trouble Code Chart; GM OBD I Trouble Code Chart. Code Description; Code 12: No distributor reference pulse (diagnostic test active) Code 13: Oxygen sensor circuit open or no activity: Code 14 ... WebChevy GMC 1500 Truck 88-95 2.5" Dual Exhaust Kits Flowmaster Super 44 Slash Tip (Fits: 1995 Chevrolet C1500) $269.99. 66 sold. Dual Pipe Conversion Exhaust Kit fits: Chevy C / K 1500 / 2500 (Fits: 1995 Chevrolet C1500) $249.98. Free shipping. 103 sold. WebDec 7, 2024 · To decrease RPM, the control module commands the IAC pintle to move closer to its seat, causing a lower airflow to bypass the throttle plate. A scan tool will display the control module commands to the IAC valve in counts. The higher the counts, the more air is allowed to bypass the throttle plate. mechanic tails sonic speed simulator