Question about 2002 Buick LeSabre

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I have a code PO102 when I ahd my engine checked. What is the usual problem that casues this. Is it the hose? the MAF? or the Mas absolute pressure sensor? Peg The check the engine light went on so we checked the engine and this was the code that came up P0102.

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COULD BE A FEW THINGS, WIRING SHORT TO EARTH,MASS AIR FLOW SENSOR,VOLUME AIR FLOW SENSOR OR ENGINE CONTROL MODULE, BUT CHECK AIR INTAKE HOSE FOR LEAKS/ SPLITS FIRST

Posted on Apr 25, 2010

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1998 volvo s70 2.4 glt turbo


code p0102 refers to MAF/VAF sensor ---low input ===causes --wiring short to ground. MAF/VAF sensor
code po172 refers to system too rich --bank 1=== causes ---intake blocked --EVAP canister purge valve---fuel pressure ---HO2S sensor
code po random misfires ---plugs --wiring ---injectors--low compression
code po305 refers to cylinder 5 misfire detected ===causes --engine mechanical fault--ignition/ fuel system ---injector ---ECT/MAF

I would check that the air filter is not blocked first as it affects the MAF/VAF sensors . Have a fuel pressure system pressure test done

Feb 13, 2014 | Volvo S70 Cars & Trucks

1 Answer

Type p0171


It is a generic OBD2 power train Code. The same solution could be applied to all other vehicles as well.
Error Code: P0171
Description:
Fuel Trim (FT), System too Lean, Bank 1
Possible Causes:
- Fuel pump pressure too high or regulating valve stuck closed.
- Intake/ exhaust leak.
- Secondary air injection (AIR) system.
- Manifold absolute pressure (MAP) sensor.
- Mass air flow (MAF) sensor.
- Fuel pressure/pump.
- Fuel Injector(s).
- Evaporative emission (EVAP) canister purge valve.
- Heated oxygen sensor (HO2S).
Solutions:
-Usually, simply cleaning the Mass air flow (MAF) sensor helps solve the problem.
- It is best to take MAF off and spray it with electronics cleaner or high flash point solvent.
- Inspect all vacuum and PCV hoses, replace if necessary.
- Check for a dirty fuel filter and proper fuel pressure.

Sep 26, 2013 | 2000 Toyota Corolla

1 Answer

I have a 97 Isuzu rodeo 3.2 and have had a prob with cel flashing when it flashes the truck misfiresthe cel for about a week now i've got PO101 & PO102 PO300 i need to smog can somebody please help M


  • With the engine cold take and spray some carburetor cleaner around the intake. Can't believe so many places left you hanging like this. Lets see, check the PCV valve and the PCV valve and make sure it is not cracked, split, rotted, clogged. I only recommend and use OEM MAF sensors period. I don't car how fancy the name may be. Did you test the harness on your MAF for proper continuity? Check all vacuum hoses for any leak. Also pull your plugs again and see if any of the new plugs are fouled. I have seen a faulty fuel injector, that won't close, cause this.

  • Keep me updated. Hope this helps.
Regards, Tony



Oct 28, 2011 | Cars & Trucks

1 Answer

My check engine light is on and i was told it's code po102. What does that code mean is the reason the light is on?


A code P0102 may mean that one or more of the following has happened:

  • The MAF may be disconnected, or a wiring connection may be bad
  • The MAF may be dirty or otherwise contaminated (Note: if you use a reusable oiled air filter, be careful not to apply too much oil or that can contaminate the MAF).
  • The MAF sensor may be faulty
  • The vehicle computer may be faulty (very rare)
You most likely will need to replace the car's Mass Air Flow (MAF) sensor. It measures how much air is entering the engine. They usually cost ~$100 for the part

Feb 28, 2011 | Kia Sephia Cars & Trucks

1 Answer

Had a po102 code on a 2002 3800 engine chevy check voltage at 12 volts.cleaned sensor. reset code now it says po102 pd with no engine,but engine stalls when driving


HI, The DTC set PO102 is for your MAF (mass air flow) sensor. this sensors measures the air moving past it my heating a fine wire much like one inside a light bulb. Even cleaning these will not get the contaminates off. That little wire gets very hot and if dirt gets on it it will bake to it then this throws off its readings for your computer. If you checked and you have your 5 volt reference for this sensor the only other thing is to replace it. You can get re-manufactured one now at any major parts store. Good luck

Aug 28, 2010 | 2002 Chevrolet Monte Carlo

2 Answers

Want to know engine light p0102 code means


P0102 is the generic DTC (Data Trouble Code) for (Mass or Volume Air Flow Circuit Low Input), and it would most likely be a fault with the MAF (Mass Air Flow) sensor.

The MAF sensor could be dirty or faulty, and there might even be restricted air flow to the MAF sensor (like a plugged up air filter). Also be sure that there are no air or vacuum leaks in the air induction system especially between the MAF sensor and the throttle body and that the hose clamps on the air induction system are all tight.

Jun 08, 2010 | 2001 Chevrolet Venture

2 Answers

1991 olds cutlass calais 2.5 engine ran the self dignostics and got code 33 need to what code 33 is.


It's the maf/map sensor circuit.
maf--- mass air flow sensor
map--- manifold absolute pressure.--- check the small vaccum hose from the map sensor to the source, could be brittle and leaking air.
Have both the map and maf sensor checked for proper voltage, one or both could be bad. A repair shop shouldn't charge much to do that.

May 05, 2010 | 1991 Oldsmobile Cutlass Calais

1 Answer

I have a Diahatsu, 1992 and it needs a MAP sensor, how do I find out how many bars the MAP sensor should be and how do I know if it is a turbo or super charged engine? It is an EFI, 3 cylinder.


Maf - map( manifold absolute pressure sensor or MAF (Mas Air flow sensor?

Turbocharger looks like a snail
A supercharger llooks like a big tube with ribs that has been flattened a little,
As far as Bars, The specs are usually on the part you will be removing.

Nov 09, 2009 | 1988 Daihatsu Charade

1 Answer

My check engine light came on. the code was po102. i have a 2000 vw beetle. any idea what this means? Thanks!



Trouble Code: P0102


MAF Sensor Circuit Low Input
Possible Causes:



Check for leaks between MAF sensor and throttle valve control module Voltage supply faulty. Sensor power circuit open from fuel pump relay to MAF sensor Sensor signal circuit open (may be disconnected) from ECM and MAF Faulty ground cable resistance between connector terminal 1 and Ground MAF Sensor malfunction Sure hope this helped you and good luck.

Jul 20, 2009 | 2000 Volkswagen Beetle

2 Answers

CODE PO102


sounds like the mass air flow sensor. It is in the intake line squareish part with 2 tamper [proof torque screws.

Nov 12, 2008 | 2002 Pontiac Grand Prix

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