October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Sensor Range Charts
ECT SENSOR RESISTANCE (3.0L - CATERA)
| Temperature - °F (°C) |
Ohms |
| 284 (140) |
68-74 |
| 248 (120) |
109-116 |
| 212 (100) |
182-191 |
| 176 (80) |
313-332 |
| 140 (60) |
573-618 |
| 104 (40) |
1118-1231 |
| 77 (25) |
1941-2173 |
| 68 (20) |
2351-2649 |
| 32 (0) |
5466-6326 |
| 14 (-10) |
8642-10,152 |
| -4 (-20) |
14,096-16,827 |
| -40 (-40) |
40,490-50,136 |
ECT & IAT SENSOR RESISTANCE (1.0L, 1.3L & 1.8L)
| Temperature - °F (°C) |
Ohms |
| 176 (80) |
315 |
| 158 (70) |
435 |
| 140 (60) |
580 |
| 122 (50) |
810 |
| 113 (45) |
940 |
| 104 (40) |
1150 |
| 95 (35) |
1360 |
| 86 (30) |
1600 |
| 77 (25) |
2000 |
| 68 (20) |
2400 |
| 59 (15) |
3000 |
| 50 (10) |
3600 |
| 41 (5) |
4600 |
| 32 (0) |
5700 |
| 23 (-5) |
7400 |
| 14 (-10) |
9800 |
| 5 (-15) |
12,700 |
| -4 (-20) |
16,000 |
ECT , IAT & TFT SENSOR RESISTANCE (EXCEPT 1.0L, 1.3L & 1.8L)
| Temperature - °F (°C) |
Ohms |
| 212 (100) |
177 |
| 194 (90) |
241 |
| 176 (80) |
332 |
| 158 (70) |
467 |
| 140 (60) |
667 |
| 122 (50) |
973 |
| 113 (45) |
1188 |
| 104 (40) |
1459 |
| 95 (35) |
1802 |
| 86 (30) |
2238 |
| 77 (25) |
2796 |
| 68 (20) |
3520 |
| 59 (15) |
4450 |
| 50 (10) |
5670 |
| 41 (5) |
7280 |
| 32 (0) |
9420 |
| 23 (-5) |
12,300 |
| 14 (-10) |
16,180 |
| 5 (-15) |
21,450 |
| -4 (-20) |
28,680 |
| -22 (-30) |
52,700 |
| -40 (-40) |
100,700 |
IAT SENSOR RESISTANCE (3.0L - CATERA)
| Temperature - °F (°C) |
Ohms |
| 284 (140) |
74-93 |
| 248 (120) |
114-141 |
| 212 (100) |
184-222 |
| 176 (80) |
312-370 |
| 140 (60) |
565-654 |
| 104 (40) |
1096-1238 |
| 77 (25) |
1900-2100 |
| 68 (20) |
2290-2551 |
| 32 (0) |
5119-5892 |
| 14 (-10) |
7943-9307 |
| -4 (-20) |
12,660-15,120 |
| -40 (-40) |
35,140-43,760 |
FUEL LEVEL SENSOR VOLTAGE (5.7L - CORVETTE)
| Fuel Level |
Volts (Left Tank) |
Volts (Right Tank) |
| Full |
2.5 |
2.5 |
| 3/4 |
2.5 |
1.5 |
| Half |
2.5 |
Less Than 1.0 |
| 1/4 |
1.7 |
Less Than 1.0 |
| Empty |
Less Than 1.0 |
Less Than 1.0 |
FUEL PRESSURE SENSOR VOLTAGE (2.2L - CNG)
| psi (kPa) |
Volts |
| 0 (0) |
0.50 |
| 125 (862) |
0.63 |
| 438 (3021) |
0.94 |
| 750 (5172) |
1.25 |
| 1063 (7331) |
1.56 |
| 1375 (9483) |
1.88 |
| 1688 (11,641) |
2.19 |
| 2000 (13,793) |
2.50 |
| 2313 (15,952) |
2.81 |
| 2625 (18,103) |
3.13 |
| 2938 (20,262) |
3.44 |
| 3250 (22,414) |
3.75 |
| 3563 (24,572) |
4.06 |
| 3875 (26,724) |
4.38 |
| 4000 (27,586) |
4.54 |
FUEL TEMPERATURE SENSOR (2.2L - CNG)
| Temperature - °F (°C) |
Ohms |
Volts |
| 302 (150) |
77 |
0.14 |
| 248 (120) |
147 |
0.26 |
| 212 (100) |
240 |
0.40 |
| 176 (80) |
414 |
0.66 |
| 158 (70) |
556 |
0.84 |
| 140 (60) |
758 |
1.08 |
| 122 (50) |
1052 |
1.39 |
| 113 (45) |
1249 |
1.57 |
| 104 (40) |
1489 |
1.76 |
| 95 (35) |
1784 |
1.97 |
| 86 (30) |
2148 |
2.20 |
| 77 (25) |
2600 |
2.43 |
| 68 (20) |
3167 |
2.68 |
| 59 (15) |
3881 |
2.93 |
| 50 (10) |
4764 |
3.18 |
| 41 (5) |
5933 |
3.42 |
| 32 (0) |
7407 |
3.65 |
| 23 (-5) |
9311 |
3.86 |
| -4 (-20) |
19,326 |
4.38 |
| -40 (-40) |
57,536 |
4.77 |
| -58 (-50) |
104,390 |
4.87 |
MAP SENSOR VOLTAGE (1.9L)
| Altitude Feet |
Volts |
| Below 1000 |
3.8-5.5 |
| 1000-2000 |
3.6-5.3 |
| 2000-3000 |
3.5-5.1 |
| 3000-4000 |
3.3-5.0 |
| 4000-5000 |
3.2-4.8 |
| 5000-6000 |
3.0-4.6 |
| 6000-7000 |
2.9-4.5 |
| 7000-8000 |
2.8-4.3 |
| 8000-9000 |
2.6-4.2 |
| 9000-10,000 |
2.5-4.0 |
OXYGEN SENSOR VOLTAGE
| Condition |
Volts |
| Except Metro, Firefly (Canadian) & Prizm |
| Lean |
0.1 |
| Rich |
1.0 |
| Metro, Firefly (Canadian) & Prizm |
| Lean |
0.1 |
| Rich |
0.9 |