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Revised Fuel Sender Values for the Chevrolet Corvette and Cadillac XLR - keywords gage gauge IPC level ohms resistance sende sensor volt

Subject:Revised Fuel Sender Values for the Chevrolet Corvette and Cadillac XLR

Models:1997-2007 Chevrolet Corvette
2004-2007 Cadillac XLR



This PI has been revised to update the charts. Please discard PIC4159.


The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:

The information below is designed to assist with fuel level concerns. The information below are all APPROXIMATE values only.

Note: The fuel sensor values have changed beginning with the 2007 model year vehicles. Be sure to use the correct values based on the model year that is being worked on. Essentially the resistance values are inverted from previous model years.

Recommendation/Instructions:

*Approximate Fuel Sensor Values for the 2007 Chevrolet Corvette and Cadillac XLR

Fuel Gage Display

Fuel Level Sensor Left - Primary

Fuel Level Sensor Right - Secondary

Fuel Level - Gallons

Fuel Level Remaining Parameter

Resistance - ohms

Volts

Resistance - ohms

Volts

E

167 - 250

2.04 - 2.5

250

2.54

0 - 2

3.8L (1.0 gal)

1/4

77

1.20

250

2.54

5.9

22.3L (5.9 gal)

1/2

40

0.71

250

2.54

9.9

37.5L (9.9 gal)

3/4

40

0.71

164

2.01

14.1

53.4L (14.1 gal)

F

40

0.71

40 - 45

0.71 - 0.78

17-18

68.1(18.0 gal)

*Approximate Fuel Sensor Values for the 1997-2006 Chevrolet Corvette and 2004-2006 Cadillac XLR

Fuel Gage Display

Fuel Level Sensor Left - Primary

Fuel Level Sensor Right - Secondary

Fuel Level - Gallons

Fuel Level Remaining Parameter

Resistance - ohms

Volts

Resistance - ohms

Volts

E

40 - 57

0.71 - 0.95

40

0.71

1

3.8L (1.0 gal)

1/4

191

2.20

40

0.71

5.9

22.3L (5.9 gal)

1/2

250

2.54

40

0.71

9.9

37.5L (9.9 gal)

3/4

250

2.54

164

2.01

14.1

53.4L (14.1 gal)

F

250

2.54

215 - 250

2.35 - 2.5

18

68.1(18.0 gal)

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.