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No error code but Check Engine Light on!

No error code but Check Engine Light on!

 
Old 03-31-2015, 03:10 PM
  #1  
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Join Date: Mar 2015
Posts: 1
Default No error code but Check Engine Light on!

Hello Saab-ers,

Good forum here, I am new. Thanks for the great info.

Recently bought an Aero 2006 9-3 (My first Saab). All is mostly well. Drives very well other than the occasional rough downshift (usually in mornings).

1. Sometimes, the error code P0089 (Fuel Pressure regulator low) comes. I clear it (using one of those BT OBDII scanners and an Android App), goes away but comes back. Since a couple of days, the light is on but I do not get any code from the reader (it says no pending codes, no permanent codes). No driveability issues.

Is that possible? Or should I get a tech to read the codes with their scanner? I have included below the report on the error code. Either way, what is the solution to this one?

2. I see all these ECU performance upgrades for my car (ebay). Claim +15-25 hp, +3-6mpg. Are these bogus? I also see Saabtechs on ebay sell similar "optimized" ones. How about them?

3. One of the msgs I saw on the SID said, "Oil Quality: 73%" what does it mean?

Thanks, I will really appreciate some feedback.
Vick
___________________Report P0089_____Android App used: OBD Car Doctor Free_______
meta-info header:Error Codes
file version:1
type:5
time:1427691674829
name:Trouble Codes
codes:P0089,
codes_p:P0089,
codes_raw:43010089;;
codes_p_raw:47010089;;
*****
Error Codes
P0089
Fuel Pressure Regulator 1 Performance
Ambient air temperature (AAT) 59 F
Accelerator pedal position E (APPE) 44.7 %
PIDs supported [41 - 60] 01111110110100000000010000000000
Commanded throttle actuator (CTA) 26.66 %
Barometric pressure (BP) 0.9970384995064167 Atm
Short term fuel % trim Bank 1 (STFT1) 0.0 %
Relative throttle position (RTP) 19.6 %
Fuel pressure (FP) 1.4511352418558736 kPa
Commanded evaporative purge (CEP) 61.96 %
Absolute load value (ALV) 95.68627450980392 %
Engine coolant temperature (ECT) 208 F
Run time since engine start (RunTime) 0:09:02d s
Commanded secondary air status (AS) Fromtheoutsideatmosphereoroff
Vehicle speed (Speed) 31 MPH
Long term fuel % trim Bank 1 (LTFT1) -0.78 %
MAF air flow rate (MAF) 61.0 g/s
Absolute throttle position B (ATPB) 30.58 %
Calculated engine load value (EngineLoad) 74.11 %
Command equivalence ratio (CER) 1.0 N/A
Timing advance (TA) 18.0
Engine RPM (RPM) 2255 rpm
Throttle position (TP) 30.98 %
Control module voltage (CMV) 13.9 V
PIDs supported [21 - 40] 00000000000001100010000000000001
Intake air temperature (IAT) 86 F
Fuel system status (FSS) Openloop:engineloadORfuelcutduetodeceleration
Long term secondary oxygen sensor trim bank 1 3 (LTSO13) 50%0% %
Accelerator pedal position D (APPD) 44.7 %
Fuel Level Input (FLI) 87.05 %
93Aero2006 is offline  
 
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