Engine not running

Tiny
THEFOX48
  • MEMBER
  • 1999 VOLKSWAGEN JETTA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 175,000 MILES
1. 1999 jetta (gas) no signal to injectors
Hello all
I have a 1999 jetta that has stopped running. It has a new fuel pump relay and the pressure at the fuel rail is good. Also new coil, plugs, and wires. The throttle body has also been completly cleaned.
If you spray starter fluid in the throttle body it starts up for a few seconds.
I put the noid lights on the injector connector but had no signal at all. Ran the scanner and got codes
po303
p1300
p1225
p1226
p1227
p1228
p1425
p1472
p1582
p0102
The codes overlap some of the issues but it seems to indicate a short circut in the evap or fuel system. Need to know if anyone has been down this rbefore and where to look next.
Thanks
Larry
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Wednesday, August 24th, 2011 AT 11:17 PM

32 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
P0303 - Cyinder 3 misfire detected.
P1300 - Unable to find any information our database but should be related to P0300
P1225 - Cylinder 1 injector circuit shorted to ground
P1226 - Cylinder 2 injector circuit shorted to ground
P1227 - Cylinder 3 injector circuit shorted to ground
P1228 - Cylinder 4 injector circuit shorted to ground
P1425 - Tank Vent Valve shorted to ground
P1472 - EVAP emission control LDP circuit short to ground
P1582 - Idle Adaptation at limit.
P0102 - Mass or Volume Air Flow Circuit Low Input.

Since vehicle is not starting, I would suggest starting with the injector circuit first.

FUEL INJECTORS, CHECKING
Checking activation

Check activation of fuel injectors.

Special tools, testers and auxiliary items

a) VAG 1598/18 test box
b) Multimeter (Fluke 83 or equivalent)
c) VAG 1527B voltage tester
d) Connector test kit VW 1594
e) Wiring diagram

Check conditions

a) Engine speed sensor OK
b) Fuel pump relay OK

Test sequence

Remove intake manifold, upper, see Fig. 2, item 7.
Disconnect harness connector -1- from connection -2- and connect VAG 1527B voltage tester with test leads from VW 1594 to the terminals of the harness connector.

Disconnect harness connectors from fuel injectors 2-4.

Operate starter and check the voltage supply for no. 1 cyl. Fuel injector.

LED must flicker

Repeat check on fuel injectors 2-4.

If the LED does not flicker:

Turn off ignition.

Connect VAG 1598/18 test box to ECM wiring harness.
Fig. 118: Connecting VAG 1598/18 Test Box To ECM Wiring Harness

Check wiring between test box and connector for open circuit according to wiring diagram.

No. 1 cyl. Fuel injector: terminal 2 and test box socket 24

No. 2 cyl. Fuel injector: terminal 2 and test box socket 25

No. 3 cyl. Fuel injector: terminal 2 and test box socket 26

No. 4 cyl. Fuel injector: terminal 2 and test box socket 02

Resistance: maximum1.5 ohms (ohm)
Fig. 119: Checking Wiring Between Test Box And Fuel Injector Connector

Check wiring between fuel injector connector terminal 1 and relay panel for open circuit according to wiring diagram.

Resistance: maximum 1.5 ohms (ohm)

Additionally, check wires for short circuit to one another.

Specification: "infinity" ohms (ohm)

Checking resistance of fuel injectors

Check resistance of fuel injectors individually
Fig. 120: Checking Resistance Of Fuel Injectors

Specification: 15-20 ohms (ohm)

If the specification is not attained, replace fuel injector(s) as necessary.

Check out the diagrams (Below). Please let us know what you find.
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Thursday, August 25th, 2011 AT 12:20 PM
Tiny
THEFOX48
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  • 2 POSTS
The fuel pump relay has been replaced.
Could this be an issue with the ignition switch?
The cruise control stopped working right before all this happened.
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Friday, September 9th, 2011 AT 10:28 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
If it is an ignition switch problem, you would not be getting any sparks as well.

At the injector circuit, ensure there is battery voltage at the RED/Violet wire with ignition switch turned on and while cranking. If voltage is available, the fuel pump relay is working correctly.

The cruise control is linked to the ECM. Check fuse # 5 in fuse panel behind left sie of dash. Use a DVOM to check the Black. Blue wire for battery voltage with inition switch turned on. If voltage is available, ensure White/Yellow wire from switch has battery voltage. If voltae is available, you could have a faulty ECM.
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Saturday, September 10th, 2011 AT 12:42 PM
Tiny
ZANYJB
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  • 1 POST
I had this problem it was the ECU had to get a used one for $75.00 all fixed! I love this site.
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Tuesday, December 11th, 2018 AT 2:11 PM
Tiny
92WRENCH
  • MEMBER
  • 1 POST
  • 1999 VOLKSWAGEN JETTA
  • 6 CYL
  • FWD
  • MANUAL
  • 334,567 MILES
I have 1999 vw jetta, I was some lights at the side of the door and one of the touch each other, the dome lights are not turning on and the trunk won't open and also the remote won't also lock the door, but the radio works and the lights for the dash board are work, but also when I try to start the car I can hear the fuel pump but am hearing a little click at the engine, the fuse are good, I check and the epc light is on for the car
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Tuesday, December 11th, 2018 AT 2:12 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,014 POSTS
Check all fuses under hood and in vehicle. If the wires touched, they shorted. The first thing should have been a fuse. Remove the fuse that is in the affected circuit and check it for continuity. It could look good but still need replaced.

Check out this guide

https://www.2carpros.com/articles/car-cranks-but-wont-start
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Tuesday, December 11th, 2018 AT 2:12 PM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,544 POSTS
  • 1999 VOLKSWAGEN JETTA
  • 120,000 MILES
I have 99 volkswagen jetta new body style and have problems with sometimes it wont start, and when it does I cant drive for long and keeps stauling out on me when I come to complete stop. It just started randomly doing it. I really need help dont know what to replace and I need my car to work 100% I have a 3 year old and work all the time. Please help.
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Tuesday, December 11th, 2018 AT 2:13 PM (Merged)
Tiny
EXOVCDS
  • MECHANIC
  • 1,883 POSTS
The next time it does not start, leave the key in the ON position. Is the CHECK ENGINE light on?

The check engine light should be ON when the key is ON. If not, then the Engine Computer is NOT powered up.

Could be a bad ECM relay.

Thomas
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Tuesday, December 11th, 2018 AT 2:13 PM (Merged)
Tiny
ELVISP2007
  • MEMBER
  • 1 POST
  • 1999 VOLKSWAGEN JETTA
  • 4 CYL
  • FWD
  • MANUAL
My 1999 jetta wont start I have been told the alarm is the problem
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Tuesday, December 11th, 2018 AT 2:13 PM (Merged)
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
That could very well be the case, try to undo the negative cable on the car battery for fifteen minutes and then put it back on and then try.
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Tuesday, December 11th, 2018 AT 2:13 PM (Merged)
Tiny
ANTHONY BARRON
  • MEMBER
  • 8 POSTS
  • 1997 VOLKSWAGEN JETTA
  • 194,967 MILES
I've replaced key and lock, new Iniction switch, fuel pump working but no gas seem to be getting up to the front
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Tuesday, December 11th, 2018 AT 2:15 PM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Ignition key will have to be re programmed so the key reader and PCM can read the chip in the key.
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Tuesday, December 11th, 2018 AT 2:15 PM (Merged)
Tiny
ANTHONY BARRON
  • MEMBER
  • 8 POSTS
I had to change everything do to someone trying to steal it, "no chip"even by passed alarm, really don't know what else to do
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Tuesday, December 11th, 2018 AT 2:15 PM (Merged)
Tiny
BEGGIN1135
  • MEMBER
  • 1 POST
  • 1995 VOLKSWAGEN JETTA
  • 113,330 MILES
I bought a used 95 Jetta III about 9 months ago. Everything was running fine until around late December when I stopped and got gas and the car wouldn't start after I was done pumping. I had it towed to a garage and had the starter replaced and everything was fine. A few months later, I get out of work on a relatively warm day and the car won't start. No noise came from the car. No crank. Nothing. All of the lights turned on and the radio work as well which made me think it wasn't a battery problem. But I thought it couldn't hurt to try and jump it. Still nothing. I had it towed back to my mechanic and it started fine for him which confused me even more. A few months pass and one morning it doesn't start again. Same thing, no crank, all the electrical aspects work, but every now and then when I try and turn it over there is a slight grinding noise coming from the engine. I replace the battery and still nothing. So I have it towed back to the same mechanic and they replace the spark plug coil and the fuel pump sensor and it starts fine for about a month. Now it seems to not start on hot days and/or when it's been sitting out in the sun. I have looked online for answers and I have noticed that there are a few common problems with this year's model. Any ideas on what the problem might be and how to fix it?
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Tuesday, December 11th, 2018 AT 2:15 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I would look at the connection on the starter motor. The little wire may not be making good contact.

Roy
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Tuesday, December 11th, 2018 AT 2:15 PM (Merged)
Tiny
ERINSFCA
  • MEMBER
  • 3 POSTS
  • 1990 VOLKSWAGEN JETTA
  • 4 CYL
  • 2WD
  • MANUAL
  • 170,000 MILES
Looking for a wiring diagram for the ECU on my 1990 jetta gl
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Tuesday, December 11th, 2018 AT 2:15 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
When you turn the key to the on position without cranking the engine over can you hear the fuel pump run in the tank for 5 seconds?

https://www.2carpros.com/articles/car-cranks-but-wont-start

Please run down this guide and report back.
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Tuesday, December 11th, 2018 AT 2:15 PM (Merged)
Tiny
ERINSFCA
  • MEMBER
  • 3 POSTS
Thanks for your response. We have done all that you suggested and determined that my fuel pump is shoot and my spark is intermitten (?) Even after the new coil (bosch). But still no start. My mechanic said something like the ecu isnt giving the "go" signal for everything to work. It would help him troubleshoot if he had the ECU wiring diagram. Would it be possible to email me one?
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Tuesday, December 11th, 2018 AT 2:15 PM (Merged)
Tiny
MATTDIZZLE033
  • MEMBER
  • 1 POST
  • 1997 VOLKSWAGEN JETTA
  • 4 CYL
  • 2WD
  • MANUAL
  • 142,000 MILES
Hey Guys, I have a 1997 Volkswagon Jetta and I've recently had issues getting it stated. The temperature recently change and it started of intermitten at first, with the cold weather it wouldn't turn over and when it was warm it would strugle like the engine was choking and then fire up. Well now, it hasn't started in a couple of days hot or cold and I've tested the battery which is still good so i've ruled out battery and alternator. I did have real bad corosion issues with my terminal posts but the test came back positive so the next step I can think of is the starter, I was told this is also a common sympton of a faulty ECU. Would you say I"m on the right track and do you know of any other possibilities? I was told this is also a common sympton of a faulty ECU.
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Tuesday, December 11th, 2018 AT 2:15 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If its cranking over and will not start-Do below

Cranks and w/n start

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it

No crank at all/nothing/nada:

Could be the starter, starter relay, park and neutral switch and ignition switch assuming the battery and connections are good.
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Tuesday, December 11th, 2018 AT 2:15 PM (Merged)

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