RPM jumps why?

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Nov 29, 2012 | 02:36 PM

#11

Ryder248

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what is an acceptable range for the fuel pressure?

Nov 29, 2012 | 03:03 PM

#12

Mike

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From: Dark Side, AZ

53-59 psi

Dec 4, 2012 | 03:32 PM

#13

Ryder248

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ok update when it all boils down to it i rebuilt the fuel pump and im started now. But now i have a code p1860 and the car drives with next to no power to the wheels what is it now

Dec 4, 2012 | 03:52 PM

#14

2kg4u

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From: Windsor, Ontario / Detroit, Michigan

P1860

Description
Torque converter clutch pulse width modulation solenoid

Code type, Electrical

Symptoms
Trans may slip as it holds in 3rd gear
Disable shift adapts
Inhibits TCC
Inhibits 4th gear in hot mode

Causes

Failure of pressure control solenoid
Failure of TCC/PWM solenoid
Short in wire harness
Loss of 12v on pin E

Solutions

Check for 12v on pin E
Check for Ohms on pins C-D, 3-5ohms at 68*f If out of range, replace EPC
Check for Ohms on pins T-E, 10-12ohms at 68*f, if out of range replace TCC/PWM solenoid
Check for short on wire harness