ISC
Motor
TPS
Idle
Switch
TDC
Sensor
Cable
Adjust
Idle
Adjust
ECU
(caps)
Plugs/
Wires
Reed
Sensor
Failure Rate
Medium High
Low
High
Low
Low
High
High
Medium
Low
Failure Severity
Medium
High
Low
High
Low
Low
High
Low
Low
Periodic Maintainence
N/A
N/A
Yes
N/A
Yes
Yes
Yes
Yes
N/A
Idle is low
* * * * *
*
-
* * *
-
* * *
*
*
*
Stalls during stops
* * * *
*
* * *
*
-
* *
*
*
***
Idle is high
* *
*
* * *
*
* * *
* *
*
*
* *
Car won't start
-
-
-
* * * *
-
-
* * * *
*
*
Idle is irratic
* * *
* *
*
* *
*
*
* *
* * *
* *
Stumble during idle
*
*
-
* *
*
*
*
* * * * *
*

Legend

***** Very Likely
**** Likely
*** Eh...
** Not Likely
* Very Unlikely
1
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