Slow cranking or just a click, worse when the engine is warm
2009 · Skoda Fabia II · 1.4 16V · 160,000 km
No fault codes
Diagnostic tools for mechanics
Diagnose it before you replace it.
Free workshop tools and a shared library of real repair cases, written by mechanics for mechanics. Every case shows the complaint, the codes, the measurements and what actually fixed it.
- Cases in the library
- 15
- Help requests solved
- 0
- Fault codes explained
- 410
CH A · CKP 60-2780 rpm
5 ms/div · 2 V/divthe gap is the reference tooth
Tools
Engine simulator
A petrol and a diesel engine with 19 faults you can switch on. Live data, fault codes, workshop tests and a two-channel scope, plus a quiz mode for apprentices.
Open simulator →Case library
Repair cases from the workshop floor. Read them, or hide the answer and diagnose them yourself from the complaint, codes and measurements.
Browse cases →Ask for help
Stuck on a fault? Post the codes, your measurements and a scope capture. Colleagues answer, and the answer that fixes it earns points.
See help requests →Fault code lookup
410 generic OBD-II codes: what they mean, symptoms, causes, what to check first, linked to real cases and the simulator.
Look up a code →Workshop calculators
10 quick checks: fuel trim analysis, MAF and volumetric efficiency, compression, injector leak-off, voltage drop and more.
Open calculators →Member directory
Mechanics, auto electricians and specialists who help each other: ask a colleague, pass on a job, find someone with the right tool.
Find a colleague →Known engine problems by mileage
What fails on the most common engines (VW TDI and TSI, BMW N47, Renault 1.5 dCi, 1.6 HDi, PureTech, EcoBoost and more), at what mileage, and how to prove it before replacing parts.
See known problems →How to test sensors and actuators
Crankshaft and camshaft sensors, MAF, MAP, lambda, injectors, coils, glow plugs and more: wiring, typical values, multimeter and scope steps, and what a good and a faulty waveform look like.
Open the tests →Can you help?
All 0 open requestsNobody is stuck right now. Ask for help with a fault that beats you.
Latest cases
All 15 casesFlat battery after two days parked
2008 · Opel Astra H · 1.6 16V · 175,000 km
No fault codes
Black smoke, rough idle and limp mode in town traffic
2010 · Fiat Punto Evo · 1.3 Multijet 75 · 150,000 km
P0404
Top this month
Full rankingNobody has earned points this month yet.
Points for published cases, confirmed fixes, helpful votes and comments.
Every case you share saves someone an afternoon.
Write up the tricky jobs: misleading codes, faults that fooled you first time. Each published case earns you points, badges and a place in the ranking.
- Write it upVehicle, complaint, codes, the measurements that mattered and what fixed it. About ten minutes.
- The ipacen admin reviews itComplete, readable, fix confirmed, and no plate numbers, VINs or customer names.
- It goes live and you earn points+50 for each published case, +5 for every mechanic who marks it helpful.