Ignition and fuel pump codes

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Cward

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Hey guys, wondering what one code is and how to attck the other three.

First-code 211 ignition PIP sinal was erratic or missing. Okay what is PIP?? Could this be a ignition switch problem or coil??

Second- code 542-fuel pump open,bad ground or always on.
code 556- fuel pump relay primary circuit fault.
code 557- low speed pump relay circuit.
Wondering if I should just try putting a relay in? Or should I be digging for a bad wire? Also is there a "low speed pump relay" and a normal fuel pump relay? :confused: :biggrin:
Thanks guys!
 

Cward

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Bump! Also I've been doing some reading about the ircm, which on my SHO looks to ave been replaced with a junkyard unit. Thinking maybe it was replaced with one that isn't quite right? Do the have to be SHO?
 

SHOZ123

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PIP is the signal from the DIS to the PCM, it does not necessarily mean the crank sensor is bad.. The fuel pump codes are probably because you have the wrong CCRM.


NB1 CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODE (DTC) 211: ERRATIC IGNITION


DTC 211 indicates two successive erratic Profile Ignition Pickup (PIP) pulses occurred, resulting in a possible engine miss or stall.

Possible causes:

-- Loose wires/connectors.

-- Arcing secondary ignition components (coil, cap, rotor, wires, plugs, etc.).

-- On-board transmitter (2-way radio).*
NO------- GO TO NB4


NB4 CHECK IDM CIRCUIT FOR SHORTS TO POWER (EXCLUDING VREF)


l Key off.

l Breakout box installed.

l PCM and ICM (Pins 1-6) disconnected.

l Disconnect Camshaft Position (CMP) sensor on 3.0L SHO, 3.2L SHO and 3.8L SC.

l Key on.

l Measure voltage between Test Pin 4 and Test Pin 40 or 60 at the breakout box.

l Is voltage reading greater than 10.5 volts?

Yes
SERVICE short circuit.
REMOVE breakout box.
RECONNECT all components.
RERUN «Quick Test».

No
GO to «NB5».
 

Cward

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Yep, car runs and drives. I drive it everyday. Stalls every now and then, but yes it runs.
So it could be a bad DIS. Hmmm. If it's the crank sensor I will definatly being doing a front 60k.
I put a different CCRM in it from work. Now I gotta reset the codes and check. I'm pretty sure it had the wrong one in it.
Thanks guys!
 

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