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Posted on Nov 28, 2017
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I have a 1999 vw 2.0 my ignition switch went so I replaced it now car idle is up and down from 300 to like 2500 so I unplugged the tps sensor and it seams to run ok but not normal runs around 500 rpm on cold starts I have to hold down gas a bit till it gets warmed up and sometimes doesn't shift into 4th any ideas ? Pls

  • 1 more comment 
  • bigsexyjh_ha Jun 01, 2012

    Yes, check engine light is on . And to the problem , sometimes the engine it will not run very well ,(It haves problems going) , I then turn off the key and start it and it will correct itself

  • bigsexyjh_ha Jun 01, 2012

    I do appreciate all of your help , very much !!!

  • bigsexyjh_ha Jun 01, 2012

    Yes check engine light is on and was on before all this so i put a code reader on It and it put out these codes p0172, p0501, p1128, p1128, p0102, p1300 sorry I'm working backwards

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1 Answer

toddgilbert

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  • Volkswagen Master 6,360 Answers
  • Posted on Nov 28, 2017
toddgilbert
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Here's the link and I'm sure you will get the solution of your problem 1999 volkswagen

5 Related Answers

Anonymous

  • 46 Answers
  • Posted on May 26, 2008

SOURCE: vw coraddo 16v 2 litre 1992

your cooling fan relay is gone or you have a bad ground or temp sensor is gone start with relay and look for a bad ground.

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john milligan

  • 514 Answers
  • Posted on Dec 19, 2008

SOURCE: 1980 VW Rabbit semi-warm starting problem

while engine running and warm, try spraying carb cleaner onto back engine at where injectors go in. if idle go up, then replace inj. seats.

takes a $12 tool from Snap-on to pull inj.'s (which you can make very easily if you're of the mind from scrap angle iron) and a 12mm hex for the seats. be careful as they will be VERY brittle!

Anonymous

  • 62 Answers
  • Posted on Jul 11, 2009

SOURCE: 1999 VW Passat low idle

replace your fuel filter first. If that does not do it, then try an air-flow meter. (if the check engine light is on it may be an airflow meter.

alicantecoli

Colin Stickland

  • 22516 Answers
  • Posted on Aug 02, 2009

SOURCE: 1980 VW rabbit, manual/fuel injection: I am

it starts from cold because the auto choke is on ,allowing a richer mixture ,try removing the sender unit in the tank and seeing if the connection from the pump to the outlet connection is ok or leaking causing a loss of fuel pressure

Anonymous

  • 1 Answer
  • Posted on Nov 11, 2009

SOURCE: Why does my 91 VW Jetta stall out and lose power while driving?

I had a similar problem and the mechanic diagnosed it as a problem with the ignition coil. So you might want to get that checked.

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1answer

What does error codes 40 and 41 mean on my 1999 mitsubishi eclispe mean

11 Oxygen sensor fault.
12 Airflow sensor fault.
13 Intake air temp sensor fault.
14 Throttle position sensor (TPS) fault.
15 Idle speed control (ISC) motor position sensor fault.
21 Coolant temp sensor fault.
22 Crankshaft position (CKP) sesnor fault.
23 Camshaft position (CMP) sensor fault.
24 Vehicle speed sensor (VSS) fault.
25 Barometric (BARO) pressure sensor fault.
31 Knock sensor fault.
32 MAP sensor faulty.
36 Ignition timing adjustment signal fault.
39 Oxygen (O2) sensor fault.
41 Injector(s) fault
42 Fuel pump fault.
43 EGR fault.
44 Ignition coil (cylinders #1 & #4) fault.
52 Ignition coil (cylinders #2 & #5) fault.
53 Ignition coil (cylinders #3 & #6) fault.
55 Idle air control (IAC) valve position sensor fault.
59 Rear Oxygen (O2) sesnor fault.
61 Transaxle control module torque reduction signal fault.
62 Variable Induction control (VIC) valve position sensor fault.
71 Traction control (TC) vacuum valve solenoid fault.
72 Traction Control (TC) vent valve solenoid fault.
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Idles fast when in park abouat 2000

unplug your idle motor if the idle comes down tps switch bad take a ride over to auto zone they will run a scan on your car they will find it
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1999 vw beetle wont take gas tried throttle poshining sensor need help no money no more ideas

IF YOU REPLACED TPS SENSOR CAR WONT ACCELERATE THE FUEL FILTER COULD BE STOPPED UP.OR THE ECM FAULTY. ECM CONTROLS FUEL THROUGH THE TPS SENSOR.HAVE ECM CHECKED.
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150,00 miles with excessive high idle.

You may need to adjust your idle setting. Also, it could be an idle sensor or throttle sensor. A map sensor will cause this as well.
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Engine misses when idling and upon acceleration

Spark Plugs--replace at 70,000 miles

COP Ignition Coils-breaking down when hot

O2 Sensors--replace front 2 only --100,000 miles

Clean Throttle Plate and MAF --with CRC Products

TPS Sensor--Test
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Wont switch gears tell at 5500 rpms

check out tps sensor it has a big effect on shifting of vehicle. The data provided by TPS is invaluable for proper startup, idle and easy throttle response of the car. These operations are affected when a bad throttle position sensor feeds erroneous data to the car's computer because of which the:
  • Engine malfunction indicator light (MIL) is turned on
  • The driver of a car experiences difficulty while changing gears.
  • The fuel economy of the car drops drastically.
  • Causes difficulty in setting base-ignition-timing of the car a bad tps causes transmission shift issues, bucking, jerking, idle surging, engine cut off, hesitation on take off, surge while cruising down highway. it may not be that but try another one and find out. you can test the tps, just unplug connector to it. use a ohms meter and hook one lead to the top and other to the center prongs on tps itself. next move throttle very slow, if good tps will move needle on ohms tester it will sweep up without cutting out. but if you perform this test and the needle hesitates at any time you move throttle plate it is bad. 1 is ground, 2 is signal, the prongs on tps. good-luck
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My 99 blazer s10 wit 4.3 engine at idle lopes or skips changed injectors,fuel pump,tps sensor thermostat,egr is workin,tuned up plugs wires cap rotor,fuel ,air filter, had inte man resealed,brougt it to 2...

replace the electric part of the ignition down on the steering colum ....u will have to drop the steering colum down but not totaly remove...fixed 2 s-10 trucks same year that way
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Idol very high 3000rpm possable idol sensor

throttle positioning sensor voltage should run around 1 volt at idle. If you unplug the sensor the car should still run on the presets in the computer, this will turn on the check engine light but if the RPM's drop down to normal replace the tps.
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1999 sunfire 2.2 idle

turn the ignition from of to on and count five seconds then turn it off and count 10 seconds and then restart the car sometimes this will reprogram the idle motor than you just replaced,
specially if during this process the yellow light blinks at the dash board
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