Temperature vs Resistance - Engine Coolant Temperature (ECT) Sensor

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Temperature vs Resistance - Engine Coolant Temperature (ECT) Sensor
WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Temperature vs Resistance - Engine Coolant Temperature (ECT) Sensor

Temperature
CΒ°/FΒ°
Resistance Minimum
Ohms
Resistance Maximum
Ohms
Engine Coolant Temperature (ECT)
-40/-40 40,490 50,136
-20/-4 14,096 16,827
-10/14 8,642 10,152
0/32 5,466 6,326
20/68 2,351 2,649
25/77 1,941 2,173
40/104 1,118 1,231
60/140 573 618
80/176 313 332
100/212 182 191
120/248 109 116
140/284 068 074
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.