Question about 1996 Volkswagen GTI

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OI have a 1996 vw polo that won't start, syptoms are:No pulse from Distributor to coil, spark plugs not sparking, The earth tested to be ok, New coil fitted yesterday, It has an immobilizer but i've been told that if it were a problem with this then it would start for a couple of seconds then cut out? Can you possibly shed any light on this problem for me please so I can either contact someone to fix it or if able do it myself, dependant on what the problem is? Any assistance appreciated Greatly Thank You

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  • Greg McCarthy Sep 28, 2010

    Who told you the immobilizer would start a couple seconds then cut out?The immobilizer is there to prevent a thief from starting it without the proper key.

  • vwbabe Sep 29, 2010

    Thanks icantry, I appreciate your comment. This is what I thought

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I can probably help you figure it out by starting off with a little information.When you turn the key while holding on the brake do you hear a click click?Does the starter turn over but the car won't fire?I would also like to know(sounds like no though)if you have an electrical measure tool?If the starter turns but does not fire,everything is good up to the PCM(powertrain control module).This also needs to be happening so the PCM can tell the fuel pump relay,auto shut-down relay,to activate the fuel injectors and ignition coil.We have to go through a process to eliminate components and go to the next one to check.If it sounds too confusing or more than you want to try,please let me know.If you do not have a regular reliable mechanic,I can tell you a few questions to ask a couple of places if your starter at least turns over.If it does not do at least that,you may be able to fix it yourself.Let me at least know that though.Thanks,Greg

Posted on Sep 29, 2010

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  • vwbabe Sep 29, 2010

    Hi Greg, the car turns over but there is no spark to plugs. Starter motor is ok. Have done service check with sequence of dash button pushing ect got an in02, in01

  • Greg McCarthy Sep 29, 2010

    Rats.I looked at a start diagram.It is not exactly for your specific car but they are so basic of a system that almost any car has the same basic setup.There is a possibility of a fuel pump relay fuse.You could check that out.With no spark,there are 3 other possible components.PCM,fuel pump relay or pump itself,and something called an auto shut-down relay.Does the fuel guage needle start to move up when you turn the key?Here is some information I found about your IN codes.It does not appear serious.Are you in Australia?I was in Perth years ago when I was in the military.Some day I would like to go see more of Australia.I bought a small to medium flag when I was there 25 years ago.It is larger than the American one I own!LOL,it's true.Greg http://www.vwforum.com/forums/f14/02-286...

  • Greg McCarthy Sep 29, 2010

    I guess it could be England too.

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We have replaced the plugs distributor coil and router,car still doesnt want to start Vw polo classic 1.6 2003 model
Before replacing those parts did your test , trouble shoot ? Was there spark ? Is there B+ voltage to the coil ? Is there fuel pressure ? Part stores love U ! With the distributor cap off crank the engine , does the rotor turn ? Worn out timing belt if it doesn't ! Is there compression ? Pull out spark plugs ,install a compression gauge an crank the engine , does the needle move ?

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Why my 94 Astro van will not fire
this generation of gm vehicles is easy to troubleshoot. the engine needs 3 things to run: compression, fuel, and spark. since you mention fire, i assume you have no spark.

disconnect any random spark plug wire and connect the end to a hei spark tester. crank engine and observe for spark. if you have no spark, disconnect the center terminal of the distributor cap and use the hei tester in the same manner. spark means cap and rotor bad or bad plug wireset. no spark means make more checks.

check for battery voltage and good ground on distributor. check for open or shorted ignition module or ignition coil windings. if power and ground is present and ignition coil tests ok, check for ignition pulses at coil primary. if you have no ignition pulses feeding the coil, change the distributor.

with that generation of vehicle, the ignition system will operate without help from the computer. don't even troubleshoot the guts of the distributor, if you change the cap, rotor, and anything else, it will be the same price as a remanufactured distributor, and might not fix the problem. if you troubleshoot a low volrage related issue (no pulses, shorted or open circuit, unstable timing, etc), change the whole thing.

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Ignition mystery! 1994 GMC Suburban 2500 5.7 mtr. No spark to spark plugs. Have spark from coil to distributor. Have changed coil wire, cap, rotor, ignition module, and coil. have 12.5 volts going to...
I guess you could have the ignition analyzed on an oscilloscope. Maybe a tech could see something then.
I always heard the only gap was the spark plug gap-the rotor has no gap-are you sure you got the correct rotor? And does it touch the top distributor cap coil wire tower?

Let us know. It is a mystery worthy of a solution.

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Vw polo CRANK BUTNO START
Take it to the dealer if you can't afford it buy parts then you to worry about labor. No second guessing your car is your life that brings you to work and everywhere you treat it like dirt it's going treat you like dirt.

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GOLF MK3 NON START
check for 12v at injector plug if no 12v this is fed from the ecu so backtrack all fuses and ecu feeds
you may need new ecu control unit but be sure to check all 12v feeds and earths etc

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2 Answers

My vw jetta 98 turns but wont start what can it
check for a spark at the plugs if you dont have this then you will need to check that the ingintion coil has a live feed and and earth the pins 1 and 3 on the conector if you have this then you will need to check that you have a pulse from the hall sender this is in pin 2 of the conector check it with a circuit tester and the led should flash if it does then the ignition coil has had it if not then check for a live and an earth at the hall sender ( three pin plug on the distributor ) pins 1 +3 if this is ok you will need a new distributor also worth checkin for a live at both of these with someone cranking the engine if you loose the live feed under cranking the you will need an ignition switch

Apr 21, 2010 | 1998 Volkswagen Jetta

1 Answer

Vw polo 1.0cc 1999 will not start
If still relevant I have a 98 polo- same symptoms-showed spark everywhere only the one at the plugs was not as strong as one at coil. Anyway ended up taking it to Volkswagen and 70€ later they could not find out what was wrong-diagnostics came clear. As advised went to the brokers, got a new coil and distributor, but no luck-spark plugs, distributor cap and stick are all new. In the end I was already driving another car when an older mechanic told me that he's seen them not starting because of the HT leads. Mine- double silicone looked good and everyone said they were ok -no cross firing in the dark. Anyway, in the end changed the ht leads and the car started-now I have to tune it back after all the stuff everyone tried...

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I have a 1996 GMC yukon with 5.7 engine it is not firing I have changed the coil this did not fix problem what do I check next
Check for injector pulse if no pulse with no spark check ignition module in distributor or crank sensor.

Nov 11, 2009 | 1996 GMC Yukon

1 Answer

No spark in my 1999 silverado 4x4 4.8 engine
Crank engine with distributor cap removed, is it turning?
(That is if it has a distributor cap, some newer cars don’t have one)is it turning?
Broken timing belt or chain?

Are you getting power to the + positive side of the coil (small wires) with key on ? Hint; I use a needle pushed into the back of the plug so as not to damage the wiring.
If you have power then wiring from the ignition switch is OK. It usually is.
Hook your test light to the - negative side of the coil (one end on the - terminal and the other end on a ground). You should have power on the - side of the coil with the key on and engine off.
Crank the engine while watching the test light. Get a flashing signal at the test light when cranking?
If so and you have no spark the coil is likely dead.(don’t rely merely on resistance tests for a coil, a weak coil can test ok for resistance but still give no spark.It happens but is unusual. I learned this the hard way!)
No flashing signal?
Check continuity in all primary circuit wiring for opens.
If they are good,
It is time to check the pulse generator in the distributor. (That is if it has a distributor cap, some newer cars don’t have one, if it doesn’t then the ECM or computer sends signal via the crankshaft position sensor and the camshaft position sensor)
With the engine in non-running condition connect your A/C voltmeter to the pair of wires at the pulse generator and crank the engine. You are looking for an A/C signal that makes 4-6 volts of A/C. Got this? If so the ignition module is dead or has a bad ground. If not (more likely) you have a dead pulse generator in the distributor.
If you have three wires in the distributor signal wire you have a Hall effect sensor. I forget how to test that one. (Chrysler stuff)

If this part of the primary ignition tests ok then check wiring to ECM pinouts for opens.Wiring tests ok.ECM as last resort.
Hope this helps...........

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1991 vw jetta will not start
there is sensor in distributor called hall sensor ,this generates the pulse for your spark.this is probably faulty.

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