The cheapest EVAP-safe machine here, for an occasional DIY leak hunt. Like the Model 01, it has one low pressure and no gauge.
Amazon $55.78The AutoLine Pro Model 702B is the better automotive smoke machine overall, rated 3.5 to 3.4. The AutoLine Pro Model 702B costs $12.22 less ($55.78 vs $68).
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.
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 $68Scores 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 702B | AutoLine Pro Model 01 |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Value 30% | 96 $55.78 | 88 $68 |
| Pressure coverage 25% | 50 EVAP-safe low pressure, up to 1 PSI | 50 EVAP-safe low pressure, up to 1 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 | 45 built-in air pump, fluid included |
| Warranty 10% | 100 3-year warranty | 100 3-year warranty |
Specifications
| AutoLine Pro Model 702B | AutoLine Pro Model 01 | |
|---|---|---|
| Pressure and smoke | ||
| EVAP mode | Yes | Yes |
| Output pressure | 1 PSI | 1 PSI |
| Smoke output | 5 L/min | - |
| Power and fluid | ||
| Air source | Built-in pump | Built-in pump |
| Power | - | 12V battery |
| Smoke fluid | maker fluid | maker fluid |
| Fluid included | Yes | Yes |
| In the box | ||
| Warranty | 3 years | 3 years |
