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1999 Volkswagen Jetta Questions

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I have a 199.5 vw jetta vr6 AFP!I am getting many electrical short to ground codes and i cleaned the terminals under the battery box and the car is still running really rough and really rich! I noticed that on the alternator there is a visible nut that is on a screw and there is no wire attached to it! The kid i bought the car from just had the alternator replaced. The camshaft sensor also had oil in the plug and was bad and i replaced it and still runs rough and when i down shift it pops like a lil bit of backfiring going on! My MIL and ABS and a the other lights in the middle cluster will not illuminate and my temp gauge is also not moving.I am going to check the converter to see if it is clogged but i want to figure out the electrical short faults that i am getting!I need to know how the alternator on the AFP VR6 engine is grounded I cannot find anything online helping me! I have cleaned all the grounds under plenum and battery box and on relay panel! Here is the scan!
20 Faults Found:
18010 - Power Supply Terminal 30
P1602 - 35-10 - Voltage too Low - Intermittent
16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 35-10 - - Intermittent
16687 - Cylinder 3
P0303 - 35-10 - Misfire Detected - Intermittent
16497 - Intake Air Temp. Sensor (G42)
P0113 - 35-10 - Signal too High - Intermittent
16486 - Mass Air Flow Sensor (G70)
P0102 - 35-00 - Signal too Low
17834 - EVAP Purge Valve (N80)
P1426 - 35-00 - Open Circuit
17950 - Angle Sensor 1 for Throttle Actuator (G187)
P1542 - 35-10 - Implausible Signal - Intermittent
17952 - Angle Sensor 1 for Throttle Actuator (G187)
P1544 - 35-10 - Signal too Large - Intermittent
17580 - Angle Sensor 2 for Throttle Actuator (G188) Signal too Low
P1172 - 35-10 - - Intermittent
17633 - Fuel Injector for Cylinder 1 (N30)
P1225 - 35-10 - Short to Ground - Intermittent
17637 - Fuel Injector for Cylinder 5 (N83)
P1229 - 35-10 - Short to Ground - Intermittent
17635 - Fuel Injector for Cylinder 3 (N32)
P1227 - 35-10 - Short to Ground - Intermittent
17638 - Fuel Injector for Cylinder 6 (N84)
P1230 - 35-10 - Short to Ground - Intermittent
17880 - EVAP Leak Detection Pump
P1472 - 35-10 - Short to Ground - Intermittent
17843 - Secondary Air Pump Relay (J299)
P1435 - 35-10 - Short to Ground - Intermittent
17829 - Secondary Air Injection Solenoid Valve (N112)
P1421 - 35-10 - Short to Ground - Intermittent
17636 - Fuel Injector for Cylinder 4 (N33)
P1228 - 35-10 - Short to Ground - Intermittent
17923 - Intake Manifold Valve (N156)
P1515 - 35-10 - Short to Ground - Intermittent
17634 - Fuel Injector for Cylinder 2 (N31)
P1226 - 35-10 - Short to Ground - Intermittent
17525 - Oxygen (Lambda) Sensor Heating Circuit: B1 S2
P1117 - 35-10 - Short to Ground - Intermittent
Readiness: 0110 1101

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Address 03: ABS Brakes Labels: 1J0-907-37x-ABS.lbl
Part No: 1J0 907 379 H
Component: ABS/EDS 20 IE CAN 0001
Coding: 03604
Shop #: WSC 00066
VCID: 3663DDFA12827BAE71B-4B1A

3 Faults Found:
01276 - ABS Hydraulic Pump (V64)
16-00 - Signal Outside Specifications
00290 - ABS Wheel Speed Sensor; Rear Left (G46)
35-00 - -
00287 - ABS Wheel Speed Sensor; Rear Right (G44)
35-00 - -

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Address 15: Airbags Labels: 1J0-909-60x-VW3.lbl
Part No: 1J0 909 609
Component: C AIRBAG VW3 SG 0002
Coding: 00067
Shop #: WSC 00066
VCID: ECD7BF929C4E717ED7F-4B1A

1 Fault Found:
00532 - Supply Voltage B+
07-10 - Signal too Low - Intermittent

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Address 17: Instruments Labels: 1J0-919-xxx-17.lbl
Part No: 1J0 919 951 B
Component: A4-KOMBIINSTR. VDO V57
Coding: 06262
Shop #: WSC 00000
VCID: 2F6DE89EEDD84A6632D-5142

1 Fault Found:
01039 - Coolant Temperature Sensor (G2)
29-10 - Short to Ground - Intermittent

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Address 46: Central Conv. Labels: 1J0-959-799.lbl
Part No: 1J0 959 799 AJ
Component: 61 Zentral-SG Komf. 0001
Coding: 04096
Shop #: WSC 00066
VCID: 8603ED3AA2E2AB2E21B-4AE8

Subsystem 1 - Part No: 1J1959801C
Component: 61 T?rsteuerger. FS0001r

Subsystem 2 - Part No: 1J1959802D
Component: 61 T?rsteuerger. BF0001r

Subsystem 3 - Part No: 1J4959811C
Component: 61 T?rsteuerger. HL0001r

Subsystem 4 - Part No: 1J4959812C
Component: 61 T?rsteuerger. HR0001H

4 Faults Found:
00953 - Interior Light Time limit
25-10 - Unknown Switch Condition - Intermittent
01358 - Internal Central Locking Switch; Driver Side (E150)
27-10 - Implausible Signal - Intermittent
00912 - Window Regulator Switch; Front Left (E40)
27-10 - Implausible Signal - Intermittent
00944 - Heated Exterior Mirror; Passenger Side (Z5)
35-00 - -
like power windows where are they
seatbelts are totally locked
windshield wiper still displays even though there is no problem ac still blowing out cool air even though compressor is running
smoke is coming out from under the hood, temp is 190 almost immediately and in minutes running at 250+ and the temp light goes on. had new thermostat installed. that didn't work so the mechanic cut 2 hoses near the firewall, he said antifreeze was leaking into the car. then he replaced the antifreeze overflow and there is something floating in it. running worse than ever...it took me hours to drive what should have been a 10 minute drive. I called him back and was told to take it somewhere else. Any idea what the problem could be? I took the car to auto one and was told not to run the car this way, so now what??? This happens whenever I get into the car.
how much is the cost to maintenance this type of car? the car has 115k miles. how much is the cost for repair the ABS sensor? Thank you
just started recently, turn key on and both fans start to run wide open. they do so no matter of temp. or if A/C or Defroster is on or not. happens every time.
While back fan stopped blowing through the vents. The other day, started blowing through the vents again on its own. Today - nothing. How can I fix this. Where is the relay switch
on the 1999 VW Jetta? Thanks
just bought car,seems to be a draw on battery upon hooking/unhooking terminal. muffler also split open..any ideas? return new mass air flow sensor?
checked starter and alternator also they tested ok. car ran a few days but ended up dead a few more times. We cannot figure out what is killing the battery. The radio no longer works after this ordeal though. but the fuse looks to be ok. go figure. Any suggestions??
change belt
It was getting hard to get it into 1st gear. Removed the boot and found the flange is broken in two. Need to get the shifter out of the way to replace the flange. Now 2nd and 4th are very hard to hit. Thanks.
Is a constant problem. Don't know diagnostic codes.
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