Diagnostics & Troubleshooting Problems
940 problems reported across 10+ industries
Industries Reporting Diagnostics & Troubleshooting Problems
Top App Ideas for Diagnostics & Troubleshooting
View allFuelFlow 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
FullScan Pro
Multi-Module Diagnostic Scanner for Side Work
Diagnostics & Troubleshooting Problems(page 29 of 47)
DiagDrive Pro
Car owner has a persistent cylinder 2 misfire at highway speeds that multiple shops cannot diagnose after replacing spark plugs, coils, sensors, and injectors.
LeakSniffer Pro
Unable to locate a leak in a residential rough plumbing system using traditional methods (air compressor, ether, soap spray), causing time-consuming guesswork and return visits.
BatteryChargeTester Pro
Cannot reliably charge 58v Echo lawn equipment batteries, unsure if chargers or batteries are defective.
Navien Noise Diagnostic
Navien NPE 240A tankless water heater makes a random choking/gurgling noise with brown staining under the heat exchanger, unresolved after cleaning and descaling.
StarterAlign Pro
Intermittent starter engagement after transmission removal, with free-spinning and grinding, likely due to alignment or electrical issue.
GasSniff Sewer Diagnostic
A manufactured home owner experiences intermittent sewer gas odors causing weakness and headaches, with weak toilet flush and slow shower drainage, and a plumber found no issue.
Intermittent Fault Finder
Intermittent P0201 injector circuit fault on Ford Galaxy despite replacing injector and checking wiring, with no clear cause found.
FaultCapture HVAC
A technician is unable to diagnose an intermittent high-pressure lockout fault on a Bard wall unit despite extensive monitoring and testing, causing repeat service calls and customer frustration.
InverterAid Pro
Driver cannot get power from Volvo inverter outlets on a brand new 2027 VNL 860 truck, and Volvo support could not resolve the issue.
AirSuspension Pro
A DIY mechanic replaced air suspension components on a Mercedes GLS450 but still has uneven ride height and no diagnostic guidance for systematic troubleshooting.
DiagRoot: Deep Transmission Diagnostic AI
Intermittent transmission hesitation with recurring P0756 solenoid code persists despite replacing solenoids and wiring, and multiple mechanics cannot diagnose root cause.
AutoWiring Pro
After replacing starter, battery, and alternator, the battery light remains on and alternator not charging; suspect fuse/wiring issue but cannot find fuse diagram or confirm protection type.
TransConnect Parts Verifier
Unsure if the TCM part number installed in a 2026 VW Taos is correct after an accident, causing no-start and communication faults; need to verify correct part and diagnose internal TCM failure.
AirbagDiag Pro
Unable to diagnose a 1994 Mercury Grand Marquis airbag light because standard OBD1 tools and methods (paperclip trick, flash pattern, OBD1 scanner) cannot communicate with the airbag diagnostic module.
ValveTrain Insight Pro
Engine has extremely low compression across all cylinders, but compression normalizes when intake rockers are removed, indicating a valvetrain or timing issue that persists despite standard diagnostics.
BoostLeak Finder Pro
Cannot diagnose persistent high fuel trim at idle despite DIY smoke tests and throttle body checks.
PartCheck Diagnostic Assistant
New fuel pump did not fix low fuel pressure and lean bog on throttle in a 1998 Mercedes A160.
FocusLock AI
Camera autofocus fails to track fast-moving animals like flying birds and dogs catching frisbees, resulting in many unfocused photos.
ArcSniffer Pro
Intermittent arc faults are difficult to diagnose because they fail to trigger during testing, leading to repeated callbacks and wasted time.
HVAC FaultFinder Pro
Diagnosing an intermittent Mitsubishi split system E9 error code that persists after replacing the outdoor control board, with limited diagnostic tool access.