THE GOTECH LIBRARY
How-Tos
Original articles and useful references. Browse by topic or filter titles and descriptions.
41 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
Ford Escape B2278: torque sensor replacement
Follow GoTech’s Ford Escape B2278 repair: torque-sensor alignment, column removal, scan-tool trim and final checks, with inline video chapters and recall context.
- 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.
- Video guide
Chevy Cruze 1.4L turbo replacement
Follow GoTech’s Cruze turbo removal and installation: hidden coolant hose, oil lines, bench prep, reassembly traps and the final leak and boost checks.
Replace a 4x4 Vacuum Actuated Hub (IWE)
The integrated wheel end (IWE) on Ford F-150 4x4 is known to make a clicking or ratcheting sound when it begins to fail. This is usually due to a vacuum leak in the actuator. Learn how to diagnose and replace it step by step, including torque specs.
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.
EVAP canister: storage, flow and restriction clues
Understand vapor storage and the outlet path. See why the Dart refueling symptom led to a remote filter rather than a canister verdict.
Fuel-tank pressure sensor: interpret the evidence
Understand FTP feedback, a fixed reading and the Sierra case. Separate scan-tool data, circuit evidence and a functional recheck.
EVAP smoke testing: know what the test covers
A 2011 Chevrolet Traverse 3.6L smoke-test demonstration: system setup, connection coverage, the excluded purge valve and intermittent-fault limits.
EVAP purge valve: sealing, actuation and flow
Three questions for purge-valve evidence: does it seal, does it respond, and does the expected flow follow? See why a downstream smoke test excludes it.
EVAP vent solenoid: flow, sealing and evidence
Separate an open vent path, a commanded response and sealing performance. Use purge/seal context before interpreting a vent-system code.
How to Fix a Ford P1450 EVAP Code
Step by step instructions on how to diagnose and repair a Ford with a P1450 EVAP Code.
GM 1.4L P0171: PCV Checks and Repair Guide
Follow GoTech's GM 1.4L P0171 guide through symptoms, PCV checks, repair steps and confirmation, with source-video moments throughout.
How to Fix P0521, P0522, P0523 Codes on GM V8
Learn what can cause a P0521, P0522 or P0523 trouble code to set on a GM V8 engine and how to fix it
Fix Chevy Cruze/Aveo/Sonic P0597 & P0598 — Thermostat Heater Circuit (1.8L)
Diagnose and repair Chevy Cruze/Aveo/Sonic 1.8L codes P0597/P0598. Includes thermostat resistance spec (~13–15Ω), control circuit test-light method, replacement steps, tools, torque, and video.
Fix Tire Pressure Light
What the tire pressure (TPMS) light means, common causes, and step-by-step ways to fix and reset it—including drive cycles, button resets, and relearn procedures.
P0420: Check the Catalyst & Verify Your Repair
Bring your test results, decide what repair they support, or check the work you’ve finished. The filmed Camry diagnosis is here when you need an example.
How To Replace Driver Side Window Switch Mazda CX-7
Learn how to replace the driver side window switch in a Mazda CX-7 in under 30 min.
Rear O₂ Sensor Test for P0420
Check whether the rear sensor responds before judging the converter. Watch the GoTech example, then use your result to find the next useful check.
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.
Knock Sensor Replacement Procedure
Learn how to replace a knock sensor on a 2006-2011 1.6L Kia Rio or Hyundai Accent
P0420 Diagnosis: Find Your Next Check
Bring the findings you already have and identify the next check. Starting checks, test references and the filmed Camry case are here when you need them.
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.
How to Replace a 2011-2014 Ford F-150 Wheel Bearing Hub Assembly
Step by step instructions, including video, of how to replace your front driverside wheel bearing on a 2011-2014 Ford F-150.
How to Replace a 2015-2020 Ford F-150 Cabin Air Filter
Step by step instructions, including video, of how to replace the cabin air filter on a 2015-2020 Ford F-150.
How to Replace a GM 3.6L Timing Chain
Follow GoTech's GM 3.6L timing-chain replacement guide with video, timing-mark illustrations, installation steps and final timing checks.
How to Replace a GM 4.8L, 5.3L, 6.0L Oil Pressure Sensor
Learn how to replace a GM V8 4.8L, 5.3L, 6.0L engine oil pressure sensor in under 60 minutes.
How to Replace the Timing Chain and Water Pump on a Ford 3.5L
See Mike's 2010 Ford Fusion 3.5L timing-chain and water-pump repair, with stage-specific timing diagrams, video moments and preparation notes.
How to Replace a VVT Solenoid on a GM 2.4L
Step by step instructions of how to replace a variable valve timing solenoid on a GM 2.4L
How to Test a GM 3.6L Timing Chain
Learn how to test GM 3.L timing chain problems with a labscope - P0008, P0016, P0017 etc
- Source-backed case companion
GM P0446: follow the pressure evidence
Follow a 2005 GMC Sierra 5.3L P0446 case: pressure-response clues, circuit checks and the demonstrated retest. Includes source video chapters.
- Source-backed case companion
Fuel nozzle keeps clicking off: Dodge Dart case
See how GoTech traced repeated fuel-nozzle shutoff on a 2014 Dodge Dart to its remote EVAP filter, with ESIM context and a refueling recheck.
- EVAP problem finder
EVAP diagnosis: find your next useful check
Start with a P0446 code, repeated fuel-nozzle shutoff or an EVAP leak test. Follow source-backed cases and find the right system explanation.