2006 saturn Ion have codes P0106, P0121, P0171 and P0300 how do i FIX THESE PROBLEMS? Ernest

Definition of Diagnostic Trouble Code P0106 Category: Powertrain Definition: Manifold Absolute Pressure/Barometric Pressure Circuit Range/PerformanceNote: This definition of P0106 is applied to all manufacturers
Definition of Diagnostic Trouble Code P0121 Category: Powertrain Definition: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/PerformanceNote: This definition of P0121 is applied to all manufacturers

Here is a video link to fix the code problem you mentioned.

2004 Saturn Ion 2 2 Misfire Case Study P0300

Needs to go to a repair shop, to be road tested with scan tool,
& the codes properly diagnosed,component tested & the vehicle
repaired as required

You can Google your codes

Type: OBD & the code

OBD PO300

fix the first two
clear the codes see what is left

P0340 Camshaft Position Sensor Circuit Malfunction

P0171 02 sensor
System Too Lean (Bank 1)

if no better . these are unusual codes

P0106 Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem

P0304 Cylinder 4 Misfire Detected

P0219 Engine Over Speed Condition

fault code source


Complete List of OBD Codes Generic OBD2 OBDII Manufacturer Car OBD...

Try Maf sensor,(Mass air flow)
Then try tps sensor, (throttle position sensor)
Unable to answer exactly without looking up codes

The P0102 means Mass or Volume Air Flow Circuit Low Input
The P0101 means Mass or Volume Air Flow Circuit Range/Performance Problem
The P0300 means Random/Multiple Cylinder Misfire Detected
The P0171 means System too Lean (Bank 1)
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Ktag ecu programmer

1174 is a lean code, and would have to been set first because it will not set when the 0300 is there. 0300 is a random misfire, because it read after the lean code, it was probably caused by the lean condition. 1st check for vacuum leaks from hoses or intake gaskets, you cal listen for a hissing sound, or spray carb cleaner around intake systems, a change in rpm will be noticed when spraying near a vac leak. other probable causes are the upstream 02 sensor, map sensor, or fuel delivery problems. does the vehicle idle porly, or does it miss at the top end?

click on the below links for code details.
P0106

P0121

P0171

P0174

P0335

P0340

P0385

P0442

P0506

P0507

P0601.

all of the above codes seem to have a common cause, they all list a bad ecm (computer) as being a cause, and the last code P0601 points specifically to a bad computer. sorry for the bad news, hope this helps.

Remove the housing that covers the engine block and look behind the engine block, up against the firewall towards the bottom of the block there are some vaccum hoses(this is easier to get too if the car is up in the air, or lifted on jack stands) get yourself a aerosall can of brake cleaner and lightly spay around all the hoses til you find your leak( the vehicle must be running) be very careful cause the fluid you spray can catch fire if it hits the exhaust manifold when it gets hot. good luck

p0106: manifold absolute pressure/barometric pressure curcuit range/performance problem

p0496: EVAP during a non-purge condition.

Its best to google these codes to find a solution and probably why there on and how can you get rid of them.