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CALL NOW 563-323-5554
CALL NOW · 563-323-5554
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Engine repair & diagnostics in Davenport, IA

Check-engine light on? Rough idle? Loss of power? We find the actual cause before we recommend anything.

CALL 563-323-5554 WARNING SIGNS
Free estimates
Diagnostic first, quote before we start
TechNet certified
Nationally certified mechanics
Straight talk
Plain-English answers, no upsell
Warning signs

Something feel off?

Catch these early and a small repair beats a big one. If any sound familiar, call before it gets worse.

Check-engine light

The most common one — and it can mean anything from a loose gas cap to a serious misfire. We pull the code free with any repair.

Rough idle or stalling

Shaking at a stoplight or the engine stalling out points to ignition, fuel, or vacuum problems.

Loss of power

Sluggish acceleration, hesitation, or the engine feeling weak uphill — often a sensor, coil, or fuel-system issue.

Overheating

Rising temp gauge or steam under the hood means stopping and calling — driving on can crack the head.

Oil leaks or spots

New spots on the driveway are worth a look. Small gasket leaks are cheap now, expensive later.

Knocking or ticking

New engine noises — especially cold-start knocks or top-end ticking — mean it's time to have a listen.

How we work

Diagnosis before dollars

1
Inspect the vehicle

We look, listen, and (where it applies) road test and scan.

2
Honest diagnosis

We identify the real cause, not just the symptom.

3
Written estimate

A firm price you approve before any work starts.

4
Fix & back it

Repair done in-house and stood behind by our warranty.

Full capability

Engine work, top to bottom

From a scan-tool code to a full engine replacement, every job starts with an honest diagnosis. Domestic, import, gas, cars, trucks and SUVs — same standard.

Engine diagnostics
Check-engine light codes
Timing service
Belts & hoses
Cooling system
Fuel system
Engine repair
Engine replacement
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Restored classic engine on stand at Jack's Brake & Alignment Davenport
60+
Years diagnosing
Straight answers

Common questions

Have a different one? Call — a real mechanic answers during shop hours.

Should I keep driving with the check-engine light on?
Solid light: usually safe to drive to the shop, but get it scanned soon — small problems become expensive ones. Flashing light: pull over. That means an active misfire that can destroy the catalytic converter in minutes.
How much does a diagnostic cost?
Depends on how deep we have to go. Give us a call with your make and mileage — we'll quote you before we start, and we'll credit the diagnostic toward the repair if you have us do the work.
Repair vs. replace the engine — how do you decide?
Rule of thumb: if the repair costs more than the vehicle is worth once fixed, replacement (or a rebuilt engine) makes more sense. We'll price both options side by side so you can decide with real numbers instead of a guess.
Do you work on diesels?
Yes. Bring it in — light-duty diesels, work trucks, whatever you've got. We'll scan and diagnose the same way.

Something feel wrong?

Waiting rarely makes engine problems cheaper. Call — we'll tell you what's likely going on before you drive over.

CALL 563-323-5554