Question about 1998 Volkswagen Jetta

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Hi i have jatte 98 has a mass air flow code 102 car starts but has no pickup or can not move fast i also change fuel filter. it moves but start pulling back in a mile and then start knowking

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Change the mass air flow sensor and check the circuitry to that sensor.

Posted on Oct 08, 2010

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2003 Nissan Altima 2.5L Service Engine Soon Light is on, Auto Zone says codes are for MAF and O2 Sensors. Car hard to start after driving a while but when starts appears to run smooth. Auto Zone thi


ok lets start with the codes they say your getting. P??? which 1's and how many. there are few o2 sensors, are they next to the Exhaust next to the converter? MASS AIR FLOW -MAF use this, for now i am guessing, until i see the correct codes your are getting. this could be the 1 you may have below, please read it........
  • P0103
    Mass Air Flow Sensor Circuit High Input
  • Possible causes
  • Faulty mass air flow sensor
    - Intake air leaks
    - Dirty mass air flow sensor
    - Dirty mass air filter
    - Mass air flow sensor harness is open or shorted
    - Mass air flow sensor circuit poor electrical connection
  • Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor.
  • possible symptoms Engine Light ON (or Service Engine Soon Warning Light)
    - Engine stall
    - Engine running rough
    - Excessive fuel consumption
    - Excessive smoke
  • the code is generated when An excessively high voltage from the sensor is sent to Engine Control Module (ECM).
2003 NISSAN Altima Sedan OBDII Codes List

Oct 22, 2014 | 2003 Nissan Altima

1 Answer

Choking out


change fuel filter.OBDI

Mar 13, 2013 | 1994 Toyota Pickup

2 Answers

98 chevy blazer misfires when cold


what about the temperature sensor which is the one according to message given to ECU get the correct quantity of fuel ?

Aug 17, 2012 | 1998 Chevrolet Blazer

2 Answers

98 blazer will start and run for a while then cut off going down the road, but starts back up. Although yesterday it cut off then kept cut off every five mins. Once it sat though it ran for about five...


I think you are on the right track. It sounds like you have a fuel flow problem and those are the two items that immediately come to mind. I would start with the filter and then move on to the fuel pump if there is no change.

Jul 22, 2011 | 1998 Chevrolet Blazer

2 Answers

I need to find out what codes are p0102 p1167 p1166 p0174 p0171


PO 102 MASS AIR FLOW SENSOR CIRCUIT LOW INPUT, I NEED MAKE MODEL AND ENGINE SIZE AND I CAN BETTER HELP YOU BEEN ON KIAS SINCE 98 MASTER CERT.

Jan 11, 2011 | Kia Optima Cars & Trucks

1 Answer

98 sia 4.3 v6 turns over fine. fires a little and dies. I can feather the gas to get it started but have to keep the foot feed open for a bit because it won't idle. I have replaced the fuel pump, and...


Could be a couple of things. First check the fuel pressure because it could be a clogged fuel filter or a bad fuel pump. Also could be throttle position sensor or mass air flow sensor.

Jan 06, 2011 | 1998 Chevrolet S-10 Pickup

1 Answer

Hi im tring to find out what i need to replace on my truck the is a code po 102 that says mass or volome air flow but i dont no what to buy 1996 gmc 3500 454.takes a while to get running after that its not...


You need to look for a hole or loose fitting clamps where your air duct runs from your air filter to the throttle body where the gas enters the motor. Any leak in this ductwork will make your vehicle hard to start and run poorly because too much air is getting past the mass air flow sensor.

Aug 09, 2010 | 1999 GMC Sierra 3500

1 Answer

98 chevy lumina. Code 113, 102, 171. runs then


the code 113 is intake air temp cicuit, high input.
the code 102 is mass air flow volume air flow circuit, low input.
the code 171 is system too lean (bank 1)
I sure hope this helps you out. Dont sound like anything too major though

Sep 23, 2009 | Chevrolet Lumina Cars & Trucks

1 Answer

System lean on bank 1 /code 102 mass air flow circuit low input


FIRST CHECK FUEL PREASURE (I THINK ABOUT 3,3 BAR).IF OK, CHANGE AIR FLOW SENSOR.
MARKO

Aug 03, 2009 | Chrysler Concorde Cars & Trucks

1 Answer

98 Jimmy has 5 codes (multiple misfire; egr; mass air flow; intake air temp; manifold pressure) Was dogging out on me and the other day it quit. Now it turns over but will not start. Checked and it is...


I would start with the Mass Airflow and EGR sensors first, because they can cause the misfire codes and the intake pressure and temp. Just because the air filter and hoses are clean and free flowing doesnt mean the computer can see that. If your Mass Airflow sensor died, as far as the computer is concerned, there is no air going into the engine.

Jul 28, 2009 | 1998 GMC Jimmy

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