Real engine repair work at Autoservis 1 in Červený Újezd

Vehicle diagnostics

Car diagnostics that look for the real cause

Warning light on, poor starting or limp mode? We read the data, compare it with the symptoms and explain the next sensible step.

Vehicle diagnostics

Diagnostics should find the cause, not just read the code

A modern car may store a fault code, but the code is rarely the whole answer. Good diagnostics connects the data with what the car is actually doing.

Autoservis 1 uses diagnostics as the first step for warning lights, poor starts, rough running, loss of power or suspected electronic faults.

After the check, we explain what the code means, what still needs to be verified and what next step makes sense.

When to book diagnostics

  • engine warning light is on or flashing
  • the car starts poorly, jerks or loses power
  • fuel consumption increased or the engine runs unevenly
  • you want to check faults before Czech STK

What diagnostics includes

  1. we run a fault-code scan and review basic live data
  2. we compare the codes with the symptoms
  3. we recommend further checks or likely repair
  4. more involved repairs are agreed with work and estimate first

Diagnostics is not guessing

The workshop is useful for drivers from Červený Újezd, Unhošť, Prague-West, Hostivice, Rudná, Kladno, Jeneč and Zličín. The address at Unhošťská 92 makes routine checks easier without driving into central Prague.

Sometimes the result is clear quickly; sometimes the fault has to be checked step by step. That helps avoid replacing parts that are not the real cause.

What to include in a diagnostics request

Describe which warning light is on, when it appeared and whether the car loses power, jerks, smokes or starts poorly. It also helps to mention whether the problem appears cold, warm, when pulling away or at higher speed.

Indicative prices

Fault-code scan and basic assessmentfrom CZK 400
Broader troubleshooting (measuring, test drive)CZK 400 / hour

What diagnostics costs and when the price grows is covered in how much car diagnostics cost. All items are in the price list. We're not VAT-registered, prices are final.

FAQ about vehicle diagnostics

Is a fault code enough to know the problem?

Not always. A code points to an area, but the cause may need more checking.

Can I drive with an engine warning light?

It depends. If the light flashes, power drops or the engine runs badly, call before driving further.

Can you quote the repair immediately?

Sometimes yes, but many faults need inspection before a reliable estimate can be confirmed.