| Share | Phrase |
| 6.01% | upstream [location] location |
| 5.12% | upstream [location] passage |
| 4.93% | upstream side |
| 2.75% | upstream [location] sensor |
| 2.54% | upstream [location] dispose |
| 2.53% | upstream exhaust |
| 2.45% | upstream [location] line |
| 2.36% | upstream [location] gas |
| 2.24% | upstream [location] locate |
| 2.13% | upstream [location] exhaust |
| 1.97% | upstream [location] position |
| 1.88% | upstream [location] controller |
| 1.81% | upstream [location] pressure |
| 1.75% | upstream [location] pipe |
| 1.71% | upstream [location] have |
| 1.65% | upstream [location] point |
| 1.53% | upstream [location] connect |
| 1.46% | upstream [location] arrange |
| 1.43% | upstream [location] provide |
| 1.41% | upstream [location] position |
| 1.39% | upstream [location] system |
| 1.39% | slightly upstream |
| 1.33% | upstream [location] manifold |
| 1.18% | just upstream |
| 1.14% | upstream [location] conduit |
| 1.11% | upstream [location] communicate |
| 0.97% | upstream [location] invert |
| 0.91% | upstream [location] duct |
| 0.88% | upstream [location] fuel |
| 0.87% | upstream [location] throttle |
| 0.80% | upstream [location] means |
| 0.79% | upstream [location] comprise |
| 0.78% | upstream [location] engine |
| 0.72% | upstream [location] include |
| 0.66% | upstream [location] valve |
| 0.60% | upstream [location] end |
| 0.57% | upstream [location] chamber |
| 0.55% | upstream [location] passageway |
| 0.55% | upstream [location] tube |
| 0.51% | upstream [location] section |
| 0.49% | upstream [location] deteriorate |
| 0.47% | upstream [location] circuit |
| 0.47% | upstream [location] face |
| 0.45% | upstream [location] path |
| 0.43% | upstream [location] permit |
| 0.43% | upstream [location] catalytic |
| 0.42% | upstream [location] portion |
| 0.39% | upstream [location] side |
| 0.39% | upstream [location] change |
| 0.39% | upstream [location] define |
| 0.38% | upstream [location] extend |
| 0.37% | upstream [location] detect |
| 0.36% | upstream [location] ratio |
| 0.36% | upstream [location] area |
| 0.35% | upstream [location] activate |
| 0.35% | upstream [location] open |
| 0.34% | upstream [location] pump |
| 0.32% | upstream [location] execute |
| 0.32% | upstream [location] region |
| 0.32% | upstream [location] install |
| 0.31% | upstream [location] air |
| 0.31% | upstream [location] channel |
| 0.31% | upstream [location] prevail |
| 0.30% | upstream [location] compare |
| 0.30% | upstream [location] bore |
| 0.30% | upstream [location] fluid |
| 0.29% | upstream [location] carburetor |
| 0.29% | upstream catalytic |
| 0.29% | upstream [location] use |
| 0.29% | upstream [location] correct |
| 0.28% | upstream [location] form |
| 0.28% | upstream [location] flow |
| 0.27% | upstream [location] zone |
| 0.27% | upstream [location] inject |
| 0.27% | upstream [location] situate |
| 0.27% | upstream [location] cross |
| 0.27% | upstream [location] cylindrical |
| 0.27% | upstream [location] orifice |
| 0.27% | upstream [location] show |
| 0.27% | upstream [location] calculate |
| 0.26% | upstream [location] flow |
| 0.25% | upstream [location] exhaust |
| 0.25% | upstream [location] count |
| 0.25% | upstream [location] occur |
| 0.25% | upstream [location] place |
| 0.24% | upstream [location] carry out |
| 0.24% | upstream [location] reverse |
| 0.24% | upstream [location] supply |
| 0.24% | upstream [location] present |
| 0.23% | upstream [location] port |
| 0.23% | upstream [location] stream |
| 0.23% | upstream [location] mixture |
| 0.23% | upstream [location] fluctuate |
| 0.22% | upstream [location] generate |
| 0.21% | upstream [location] oxygen |
| 0.21% | upstream [location] satisfy |
| 0.21% | upstream [location] converge |
| 0.21% | upstream [location] determine |
| 0.20% | upstream [location] terminate |
| 0.20% | upstream [location] illustrate |
| 0.20% | upstream [location] catalyst |
| 0.19% | upstream [location] compensate |
| 0.19% | upstream [location] join |
| 0.19% | upstream [location] lie |
| 0.19% | upstream [location] distance |
| 0.19% | upstream [location] mount |
| 0.19% | upstream [location] indicate |
| 0.19% | upstream [location] become |
| 0.19% | upstream [location] seat |
| 0.18% | upstream [location] inch |
| 0.18% | upstream [location] opening |
| 0.18% | upstream [location] side |
| 0.18% | upstream [location] body |
| 0.17% | upstream [location] barrel |
| 0.17% | upstream [location] injection |
| 0.17% | upstream [location] inlet |
| 0.17% | upstream [location] loop |
| 0.16% | upstream [location] switch |
| 0.16% | upstream [location] base |
| 0.16% | upstream [location] nozzle |
| 0.16% | upstream [location] inhibit |
| 0.16% | upstream [location] increase |
| 0.16% | upstream [location] aperture |
| 0.16% | upstream [location] exceed |
| 0.16% | upstream [location] measure |
| 0.16% | upstream [location] closed |
| 0.16% | upstream [location] container |
| 0.16% | upstream [location] fetch |
| 0.16% | upstream [location] liquid |
| 0.16% | upstream [location] supply |
| 0.16% | upstream [location] space |
| 0.16% | upstream [location] surface |
| 0.15% | upstream [location] affect |
| 0.15% | upstream [location] regulator |
| 0.15% | upstream [location] prevent |
| 0.15% | upstream [location] deviate |
| 0.14% | upstream [location] allow |
| 0.14% | upstream [location] enter |
| 0.14% | upstream [location] take |
| 0.13% | upstream [location] located |
| 0.13% | upstream [location] insert |
| 0.13% | upstream [location] maintain |
| 0.13% | upstream [location] bypass |
| 0.13% | upstream [location] conical |
| 0.13% | upstream [location] convex-shaped |
| 0.13% | upstream [location] entrance |
| 0.13% | upstream [location] mixing |
| 0.13% | upstream [location] swirl |
| 0.13% | upstream sensor |
| 0.13% | upstream [location] portion |
| 0.12% | upstream [location] vane |