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P0300 Diagnostic Trouble Code Discussion for September 2025

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2018 Kia Forte EX 2.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: KNAFX5A80J
Car had P0300 in history (no MIL) and has been using oil, no external leaks - 1L every 4000 kms. Customer has been monitoring and thought it was worth mentioning to us...his fuel economy had dropped and wanted a maintenance tune up as it was suggested at p...
September 08, 2025
2015 Jeep Wrangler Unlimited Sahara 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1C4BJWEG1F
P0300: random cylinder misfire. ... replaced both B2 camshafts, lifters, rockers, chains, guides, and phasers - has a misfire on cylinder 2 p0300 we run leak down test and find 80% leakage on exhaust side cylinder 2 removed heads and had a valve job done on both heads, machine sho...
September 18, 2025
2005 GMC Savana 2500 4.8L Hesitation, Cuts out, Misfire VIN: 1GTGG25V95
P0300: Multiple Cylinder Misfire Detected. customer complained of the vehicle running rough and occasionally stalling after talking some more found its most common after filling up with fuel. customer also stated he fills the gas all the way up a couple clicks after the pump stops i advised him to ...
September 19, 2025
2005 GMC Savana 2500 4.8L Hesitation, Cuts out, Misfire VIN: 1GTGG25V95
P0300: Multiple Cylinder Misfire Detected. customer complained of the vehicle running rough and occasionally stalling after talking some more found its most common after filling up with fuel. customer also stated he fills the gas all the way up a couple clicks after the pump stops i advised him to ...
September 20, 2025