THE GOTECH LIBRARY
Diagnose
Original articles and useful references. Browse by topic or filter titles and descriptions.
13 resources
- Video guide
VW 2.0T BPY P2293: fuel-pressure and cam-follower checks
Work through VW BPY P2293 with fuel-pressure checks, real cam-follower wear images and GoTech’s four-part Jetta case—from the failed pump swap to the recheck.
- Video guide
Honda Accord starter grinding—even after replacement
Follow GoTech’s 2007 Accord 2.4L starter-grinding case: inspect both gears, catch a mounting mismatch and see what the final start checks confirm.
- Video guide
Check engine light on? Start here before buying parts.
Work out what to do with a flashing or steady check-engine light, save the code and symptoms, and choose a useful diagnostic guide before buying parts.
- Video guide
Toyota Camry P0446: test the VSV before buying a canister
Follow GoTech’s 1999 Camry 2.2L P0446 case: identify the early EVAP system, inspect connections, compare VSV test states and check the repair outcome.
- Video guide
Honda Fit P0303 & P0203: find the fault before another PCM
Follow a 2013 Honda Fit from cylinder 3 misfire and injector-circuit testing to a used PCM setup, then see what the final running checks actually confirm.
- Video guide
Wet passenger floor in a Chevy Sonic
Follow GoTech’s 2018 Sonic A/C drain repair: locate the hose, catch trapped water, clear the removed drain and verify flow outside before drying the carpet.
- Video guide
Blower motor only works on high?
Follow GoTech’s repeat blower-resistor failure case, including the correction: restricted airflow reduced current. Check the circuit, motor and airflow before parts.
- Video guide
Losing coolant with no visible leak?
No puddle and no tailpipe smoke? Follow GoTech’s 2010 Fusion 3.5L case: check the oil, understand the internal-leak concern and plan the next repair step.
- Video guide
How to test a crankshaft position sensor
See what a multimeter can—and cannot—tell you about a crank sensor. Follow GoTech’s analog and digital signal checks, wiring checks and before/after case.
How to Diagnose Ford F-150 Wheel Bearing Hub Assembly
Diagnosing a wheel bearing concern can be a daunting task. We have simplified the process to help you quickly and accurately identify a wheel bearing issue on your Ford F-150.
GM 2.4L VVT Solenoid Resistance Test with a Multimeter
Follow GoTech's GM 2.4L VVT solenoid resistance test with a multimeter, including setup, source-video moments and related VVT guides.
How To Use Your Ohm Meter
Learn how to setup your Ohm meter for testing, the difference between manual adjust and auto ranging, and how to understand the readings.
Parasitic Battery Draw Test
A dead battery causing your car to not start is never fun. You recharge the battery or replace it and the vehicle’s alternator is functioning properly, but the car doesn’t start again the next day. The battery is dead again! This is called a parasitic draw or an unintended battery drain.
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