AutoLine Pro Model 01
A plain EVAP-safe machine at a low price, for DIY owners with an EVAP code. It is not the tool for boost leaks.
Amazon $68$68
The AutoLine Pro Model 01 is the better automotive smoke machine overall, rated 3.4 to 3.4. The AutoLine Pro Model 01 leads on warranty and value. The Foxwell ST100 wins on pressure coverage and features. The AutoLine Pro Model 01 costs $41.99 less ($68 vs $109.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Foxwell ST100
A compact two-pressure machine from a known scan-tool maker, for DIY owners who need both EVAP and boost testing.
Amazon $109.99$109.99
Which should you buy?
- Choose the AutoLine Pro Model 01 for warranty (3-year warranty vs 1-year warranty) and value ($68 vs $109.99).
- Choose the Foxwell ST100 for pressure coverage (EVAP-safe low pressure, up to 17 PSI vs EVAP-safe low pressure, up to 1 PSI) and features (built-in air pump, air-only mode, EVAP adapter vs built-in air pump, fluid included).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every with an EVAP mode automotive smoke machine; a clear win is highlighted. How we rank explains each one.
| Factor weight | AutoLine Pro Model 01 | Foxwell ST100 |
|---|---|---|
| Overall rating | 3.4/5 | 3.4/5 |
| Value 30% | 88 $68 | 68 $109.99 |
| Pressure coverage 25% | 50 EVAP-safe low pressure, up to 1 PSI | 92 EVAP-safe low pressure, up to 17 PSI |
| Measurement 20% | 0 no gauge or flow meter listed, scored as none | 0 no gauge or flow meter listed, scored as none |
| Features 15% | 45 built-in air pump, fluid included | 65 built-in air pump, air-only mode, EVAP adapter |
| Warranty 10% | 100 3-year warranty | 0 1-year warranty |
Specifications
| AutoLine Pro Model 01 | Foxwell ST100 | |
|---|---|---|
| Pressure and smoke | ||
| EVAP mode | Yes | Yes |
| Output pressure | 1 PSI | 0.5-17 PSI |
| Air-only mode | - | Yes |
| Power and fluid | ||
| Air source | Built-in pump | Built-in pump |
| Power | 12V battery | 12V battery |
| Smoke fluid | maker fluid | mineral oil |
| Fluid included | Yes | - |
| In the box | ||
| EVAP adapter | - | Yes |
| Warranty | 3 years | 1 year |