Diagnostics & Troubleshooting Problems
940 problems reported across 10+ industries
Industries Reporting Diagnostics & Troubleshooting Problems
Top App Ideas for Diagnostics & Troubleshooting
View allAlignSmart DIY
Precision DIY Wheel Alignment App
FuelFlow Fix
Vintage Ford Fuel System Diagnostic Assistant
CoolantIQ
Smart Coolant Diagnostic App for Pressure Issues
TruckDoc Pro
Precision diagnostics for truck aftertreatment & driveline issues
HVAC Systems Decoder
Legacy HVAC Diagnostic Assistant
Misfire Detective
Intermittent Misfire Diagnosis App
Diagnostics & Troubleshooting Problems(page 16 of 47)
LeakSniffer Pro
HVAC technician struggles to locate refrigerant leaks in large commercial systems with hidden line set runs, wasting time and nitrogen.
VacRoute Pro
I cannot find a clear vacuum diagram or source for components to restore the vacuum system on a heavily modified 1982 Chevy G30, leaving me unable to get the engine to start, idle, and accelerate properly.
CarbCure Diagnostic Scanner
A car enthusiast cannot resolve a high idle issue on a freshly built engine after standard adjustments, indicating a stubborn diagnosis problem.
HammerSolve Pro
A water hammer issue persists in a residential plumbing system after city PRV installation despite adding an expansion tank and hammer arrestor.
FaultFlow Simulator
Senior HVAC technician struggles to diagnose a rare electrical phenomenon where a fan motor reverses direction when the compressor starts, with no board and a correct wiring configuration.
IntermittentStart Pro
Mazda 3 has intermittent starting failure; no dash lights when cranking fails, but battery tests fine and jump starting doesn't help, requiring multiple attempts to start.
DiagFlow Pro
A car owner has persistent lean fuel codes after replacing multiple fuel system parts but cannot diagnose the root cause.
SensorSense Pro
Car mechanic cannot definitively diagnose which NOx sensor is faulty due to ambiguous diagnostic data, leading to expensive trial-and-error repairs.
FaultFinder HVAC
Intermittent short in HVAC system that blows fuses unpredictably, with no clear cause found after multiple part replacements over months.
ZoneSense Diagnostic Tool
HVAC technician cannot get two-zone system (EWC board, dampers, T6 thermostats) to maintain consistent temperatures; system works intermittently and behaves erratically despite replacing the control board and verifying thermostat settings.
AutoDiag Pro
Car owner cannot diagnose whether hesitation and shifting issues are caused by a clogged EGR/intake manifold or a transmission problem.
OdorSource Pro
Car owner cannot locate and eliminate persistent foul odor, preventing return to work as an Uber driver.
TurfAlert AI
Homeowner cannot identify or permanently resolve recurring yellowing patches in St. Augustine grass after treating with fungicides, risking further lawn decline.
CodeKill Pro
1986 Corvette enters limp mode with Code 33 when accelerator pedal is held at a specific position, despite replacing TPS, MAF sensor, and relays.
DiagnosticDecision Pro
Car owner with a 2012 Camry is receiving conflicting diagnostic advice and high repair quotes from multiple shops, unsure which diagnosis to trust and how to proceed.
TanklessDoc Pro
A Navien tankless water heater has sporadic leaks and inconsistent hot water, and the homeowner cannot get the service company to respond after a cleaning that worsened the problem.
CVT Decision Compass
A 2013 Subaru Impreza owner with a P2764 code needs to decide whether to replace just the solenoid, the entire valve body, or the whole transmission, and lacks reliable guidance on the best cost-effective repair.
FCU Doctor
Aquastats on fan coil units in a university dorm are failing repeatedly, even after replacements, with no identified cause.
HeatTrace Diagnostic
An oil furnace blower won't shut off after the call for heat ends, even after replacing the control board, and troubleshooting standard components like limit switches doesn't resolve the issue.
TruckShakeFix
After a full transmission replacement, a 2020 Chevy Silverado still has a recurring shudder that comes and goes in cycles, indicating an unresolved mechanical issue.