The most automated machine here, with presets and a pass/fail decay test, for shops that want repeatable results.
Amazon $412.50
The cheapest EVAP-safe machine here, for an occasional DIY leak hunt. Like the Model 01, it has one low pressure and no gauge.
- 1 PSIPressure
- YesEVAP mode
- Built-in pumpAir
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Fixed 1 psi output is safe for EVAP systems
- Lowest price here, with fluid included
- Warranty published: 3 years
- Fixed low pressure is too weak for turbo and boost leaks
- No gauge
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | Model 702B |
|---|---|
| Pressure and smoke | |
| EVAP mode | Yes |
| Output pressure | 1 PSI |
| Smoke output | 5 L/min |
| Power and fluid | |
| Air source | Built-in pump |
| Smoke fluid | maker fluid |
| Fluid included | Yes |
| In the box | |
| Warranty | 3 years |
Alternatives in this type
A low-cost machine with both an EVAP mode and a higher-pressure mode, for DIY owners chasing a check-engine light. Pick the Pro version if you want a gauge.
Amazon $61.99A plain EVAP-safe machine at a low price, for DIY owners with an EVAP code. It is not the tool for boost leaks.
Amazon $68Compare
Compare the AutoLine Pro Model 702B with any other automotive smoke machine →
More from AutoLine Pro: every AutoLine Pro product ranked.