Question about 2001 Volkswagen Golf

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Skoda 1.9 tdi

Ok my skoda has 5 trouble codes 19561,18080,18057,17953,&17946 you erase them with the scan tool they are gone but go for a test drive less than 1 km they are all back it losses power and alot of black smoke i have checked all this items they are fine someone help me out what could it be?

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'm new to the vw tdi, but if all your codes have been addressed, i'd look at  a bad injector as the bad boy.  i've solved some problems in my truck using an injector cleaner added to the fuel.  get the best, read the directions, and give it a try.  smoke means injectors not working properly to my trucker friends.  

Posted on Oct 15, 2008

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I have Skoda superb 1.9 TDI 2011 facing missing problem at 1000rpm cleaned diesel talk ,injector, turbo,fuel supply and changed fuel pump still getting the same prob in scanning every thing is perfect


mechanical problems will not show as codes so if a valve clearance is incorrect, weak valve springs, faulty hydraulic lifter/s loose valve seat inserts or partially blocked injector, the problem will not be revealed unless you do mechanical checks
take it to a service dealer and have it tested as it should still be under warranty and may be subject to a recall or service modification

May 04, 2016 | Skoda Cars & Trucks

1 Answer

My 2005 hummer h2 will not shift into 4wd high or low the 4wd button for everyday driving is lit up but when I try and go to 4wd high or low or lock it just flashes the light and nothing happens


When the 4WD lights flash on and off, this indicates that there are 4WD-related trouble codes in the 4WD control module. Sometimes 4WD lights never illuminate.
The first step in diagnosing the system is to establish communication and retrieve trouble codes from the control module. After retrieving the codes, write them down, clear the codes and retest to see which codes are regenerated. False codes can be set if a component is disconnected when the key is turned on.
If the 4WD lights flash on and off, and no codes are found in the 4WD control module, try clearing the codes anyway. After a certain amount of key cycles, the codes will normally clear from the 4WD control module, but the module will not respond to commands until it is re-initialized by clearing the codes or disconnecting the battery to erase its memory.
If your scan tool will not communicate with the 4WD module, first verify that the scan tool has the proper software and the latest updates. If it does, then try another scan tool. If it still has no communication, the power and grounds that are supplied to the module will need to be tested. See if the scan tool will communicate with the other modules on the shared communication network. If they're OK, check the harness from the data link connector (DLC) for an open circuit to the 4WD module.

Apr 23, 2014 | Cars & Trucks

1 Answer

P2711 unexpected mechanical gear disengagment


The best (safest)way to erase trouble codes is to use a scan tool. The tool communicates with the vehicle computer and tells it to erase the codes. It does not alter any other learned settings that should be retained for normal vehicle operation.
The worst way to clear codes is to disconnect the battery. In most older vehicles (those made before 1996), disconnecting the battery even for a few seconds, or removing the power fuse for the engine computer (PCM) will erase the codes, along with all of the other learned settings the computer has stored over time.
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Sep 18, 2012 | Volkswagen Jetta Cars & Trucks

2 Answers

I bought a 1998 mitsubishi eclipse and the check engine light came on we hooked up the machine to diagnos it and we got 2 codes po700 and p1784 . we are wondering what the codes mean and how to fix the...


DTC 1784: LOW-REVERSE PRESSURE SWITCH
1.Remove transaxle relay from connector. Turn ignition on. Install scan tool and observe low-reverse pressure switch condition. Apply battery voltage to transaxle relay connector terminal No. 8. If low-reverse pressure switch stays off, go to next step. If low-reverse pressure switch turns on, go to step 4 .

2.Raise vehicle enough to allow drive wheels to spin freely. Test low-reverse clutch hydraulic pressure. See HYDRAULIC PRESSURE TESTS under TESTING. If low-reverse clutch pressure test is not within specification, internal transaxle failure exists. If low-reverse clutch pressure test is within specification, observe scan tool.

3.If low-reverse pressure switch turns on, trouble code is intermittent. Check wire harnesses and connectors for damage or poor connection. If low-reverse pressure switch does not turn on, replace solenoid and pressure switch assembly. Recheck trouble codes. If trouble code resets, replace TCM.

4.Check and repair wiring harness between transaxle relay connector and solenoid and pressure switch assembly connector. If wiring harness is okay, check wire between TCM connector terminal No. 10 and solenoid and pressure switch assembly.

5.If wire between TCM connector terminal No. 10 and solenoid and pressure switch assembly is okay, check TCM and solenoid and pressure switch assembly connectors. Repair connectors as necessary. If connectors are okay, recheck trouble codes. If trouble code resets, replace solenoid and pressure switch assembly. Recheck trouble codes. If trouble code resets, replace TCM.

P0700-The Transmission Control Module (TCM) monitors the malfunction of sensors and actuators relating to transmission control. When the TCM detects a malfunction with the control, a signal is send to the Engine Control Module (ECM) to trigger the Engine Light or Service Engine Soon light. The ECM stores the P0700 code and it means the TCM detected a malfunction with the transmission controls.

I would try disconnecting he battery and letting it sit for 5 minutes, then hook it back up to see if they return-the 700 code is probably related to the 1784 code, that seems to be your main issue.

Jun 06, 2011 | 1998 Mitsubishi Eclipse

1 Answer

I have a 2.7diesel grand cherokee 2002 i have to disconect the live battery lead and reconect it every morning and it then starts ok for the rest of the day.


Dear,
The problem is from trouble code which is removed temporary when you disconnect the battery so you must scan your Jeep's Modules and find the trouble codes and investigate the problem by reading the trouble codes properly then Erase it using the scan tool.
Regards, Eng.Ghassan Alasmar

Jan 26, 2011 | 2002 Jeep Grand Cherokee

2 Answers

How do you reset the service engine light?


Locate the diagnostic connector. On the 1997 Nissan Maxima the connector is located in the OBD2 standardized location under the driver-side dash, slightly to the right of the steering column. With the ignition key in the "OFF" position, plug the connector of the scan tool into the diagnostic connector of the car. Turn the ignition key to the run position but do not start the engine unless instructed to by the scan tool.

Turn the scan tool on and select "Global OBD2" from the main menu. Select "Diagnostic Trouble Codes" from the first sub-menu, and then "Read Trouble Codes" from the second sub-menu. Write down all listed codes and their descriptions before erasing them. This will save time if you must perform additional diagnostics.

Press the back button on the scan tool until the second sub-menu is displayed, and select "Erase Codes" or "Clear Codes," depending on the manufacturer of the scan tool. A message will appear asking you to confirm your desire to erase the codes and other stored data. Select "Yes". The scan tool will alert you when the codes have been erased.

Test drive the vehicle to verify the repair is complete. The 1997 Nissan Maxima on-board computer will run a series of tests on the systems in the vehicle, including emission control devices. To complete these tests you must take two test drives that include a variety of driving conditions, with a 2-minute cool-down between each test drive. If the service engine soon light does not come back on during these two test drives, you have completed the repairs and the reset.

Oct 25, 2010 | 1997 Nissan Maxima

3 Answers

What does the EPC light mean


HI. This EPC light can be a indication of failure that will concern several points of this vehicle. I will list them below:

1. Loose or incorrectly applied gas cap
2. Emissions system failure
3. Faulty Catalytic Converter device
4. Weak battery<-----(Likely culprit)
5. Exhaust sensor failures
6.Monitoring sensor(s) failure

With that said; The most common fault will be a weak battery. The best actions are to administer a diagnostic scan. This can be achieved at your local auto-zone store or your local dealership. The scan tool will extract the necessary codes and isolate the culprit, easily. I recommend to allow the dealer to administer the scan, due to the fact that, there are several specialized Volkswagen codes that some basic scan tools will not retrieve, properly. make sure that you are dealing with a competent mechanic, also.

  • NOTE_ Have the battery tested at your local auto parts store for a defective cell. If it proves to be ok; Move on to the diagnostic scan procedure to extract the necessary trouble codes needed to isolate the culprit.

Aug 14, 2010 | 2002 Volkswagen Jetta TDI

1 Answer

We recently replaced a glowplug on our 2003 VW Jetta tdi. We had to disconnect the power source. Since then, the door alarm wont stop ringing. We can't find the factory reset code. Can you help? Oh, it has...


Removing the battery connection for this procedure will cause diagnostic trouble codes to be stored in the engine control module. Erasing these DTCs and resetting the readiness code will require Volkswagen scan tool VAG1551/1552 or equivalent. The same results will occur when disconnecting engine management components while the key is in the on position. Some driveability problems may be noticed until the system re-adapts to operating conditions. OBD II readiness codes, which may be required for emissions testing, may also be erased. Convenience electronics (alarm systems, interior light control, power locks, mirrors, and windows) may need to be re-set using a VAG 1551/1552 or equivalent sacan tool.

Feb 03, 2010 | 2003 Volkswagen Jetta TDI

2 Answers

How to change a throttle position sensor on a 94 ford f150 5.0 4x4


How to Replace a Throttle Position Sensor
(DIY & Save up to $135.75 ) - Time: 2.1 hours

Parts:
1. Throttle Position Sensor - $ 55.44

Tools:
1. Scan Tool
2. Screwdriver
3. Multimeter

Procedure:
1. Locate the OBD data link connector (DLC). Refer to your owner’s manual for the specific location.
  • Tip: The OBD-I data link connector is usually located in the engine compartment near the battery or the fuse box. The OBD-II connector (post 1995 cars) is usually located beneath the instument panel next to the steering column.
2. Turn your key to the“ON” position. Do not start the engine.

3. Plug your scan tool into the OBD data link connector. Turn on the scan tool and select the appropriate steps to read the diagnostic trouble code (DTC).

    6db8845.jpg

Scanner plugged into OBD-II data link connector.
  • Tip: The OBD-II diagnostic trouble code (DTC) is a 5 character alphanumeric code. The first digit is a letter that indicates the component group, the second digit is OBD mandated or manufacturer specfic, the third digit is a subgroup, and the fourth and fifth digits define the component and basic problem.
  • 4. Locate the throttle position sensor.
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  • Throttle position sensor

  • 5. Disconnect the electrical connector from the throttle position sensor.
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  • Electrical connector removed
6. Test the resistance of the throttle position sensor (TPS) with a digital multi-meter. If the resistance is out of specifications, the TPS must be replaced.
  • 7. Remove the throttle position sensor.

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    Removing sensor mounting screws

    8. Install the new throttle position sensor. Tighten the mounting screws and attach the electrical connector.
  • 9. Erase the diagnostic trouble code (DTC) with the scan tool using the“delete” or“erase” command. Road test your vehicle to see if the check engine light returns.
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    Check engine light

  • Tip: If the check engine light returns, repeat the diagnostic process for additional DTCs or take your vehicle to a certified repair shop.
Direct OE replacement

Hope helped with this. Good luck (remember rated this help).

Nov 05, 2009 | Ford F-150 Cars & Trucks

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