AutoLine Pro Model 702B
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 $55.78$55.78
The AutoLine Pro Model 702B rates 3.5 among with an EVAP mode automotive smoke machines; the Auttops F03 rates 3.4 among no EVAP mode stated ones. The AutoLine Pro Model 702B costs $33.20 less ($55.78 vs $88.98).
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.
$88.98
Scores side by side
These two sit in different type classes (with an EVAP mode and no EVAP mode stated), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | AutoLine Pro Model 702B | Auttops F03 |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Value 30% | 96 $55.78 | 77 $88.98 |
| Pressure coverage 25% | 50 EVAP-safe low pressure, up to 1 PSI | 36 up to 15 PSI |
| Measurement 20% | 0 no gauge or flow meter listed, scored as none | 80 pressure gauge, flow meter |
| Features 15% | 45 built-in air pump, fluid included | 50 built-in air pump, air-only mode |
| Warranty 10% | 100 3-year warranty | 0 1-year warranty |
Specifications
| AutoLine Pro Model 702B | Auttops F03 | |
|---|---|---|
| Pressure and smoke | ||
| EVAP mode | Yes | - |
| Output pressure | 1 PSI | 0-15 PSI |
| Smoke output | 5 L/min | 12 L/min |
| Pressure display | - | Gauge |
| Flow meter | - | Yes |
| Air-only mode | - | Yes |
| Power and fluid | ||
| Air source | Built-in pump | Built-in pump |
| Power | - | 12V battery |
| Smoke fluid | maker fluid | baby oil |
| Fluid included | Yes | No |
| In the box | ||
| Warranty | 3 years | 1 year |