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'62 1600cc VW ...Nbr 1/2 cylinders are not firing but get spark. generator appears to be dead. What might the problem be?

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The 1600cc Motors were prone to developing cracks in the heads between the inlet and exhaust valve ports, causing total loss of compression.
Removal of the heads will reveal how bad. See a repairer who specialises in VWs.
Generator problem could be worn brushes or a faulty regulator.

Posted on Sep 10, 2010

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My Opel kadette has no power and backfires when I over rev it refuses to go up any hills and has a continues miss fire


It sounds like your firing order is out or your timing is out or you have fuel starvation.
I believe the firing order is 1-3-4-2 on your car. Only English Fords had a firing order of 1-2-4-3 and VW beetles are 1-4-3-2.
Next. check the timing. You should have a spark on no 1 cylinder when the timing mark on the front pulley is about 16 degrees from top dead center - there is a mark on the pulley to show these positions. If you don't know how to check it, take it to a service agent.
Make sure your fuel filter is clean - replace it, they are cheap - and then make sure you have good fuel flow to the carburetor.
Finally, you could have burnt valves. This will mean taking off the cylinder head and reseating or even replacing burnt valves. This could be a costly job and should be done by a qualified technician.

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My 2003 vw passat v6 was recently installed with a new coil pack wires and sparks it ran great for 1000 miles now it runs rough i noticed that the coil has a 1 2 3 6 4 5 sequence when standing...


firing order is 1-4-3-6-2-5.
physical cylinders and corresponding plugs and wires:
6-5-4 drivers side back to front.
3-2-1 pax side back to front.

Jan 23, 2014 | 2000 Volkswagen Jetta TDI

1 Answer

Toyota


Coil pack connection is physical: Coil 1 to Cylinder 1, 2->2, etc.

I am not sure if this is your question, but firing order matches spark to TDC (top dead center) on the power stroke. The design of the crankshaft determines this.

1-3-4-2 is common for most straight 4's. Cylinder 1 is closest to the crank pulley. I believe your coils are 'waste spark' which means it will fire two cylinders at the same time. When the coil fires, one cylinder is on the power stroke and is wanting this spark. The other cylinder is on the exhaust stroke at this time, and thus the spark is 'wasted' on that cylinder. But a cylinder with exhaust gas has high impedance, so most of the energy is delivered to the intended cylinder.

If your question was 'should I just connect 1->1, 2->2, 3->3, 4->4' [ yes!] vs. ' should I try to connect coils following the firing order' [no] then the answer is the first. The trigger wheel determines which coilpack fires when, you just need to hook up the wires number for number.

Oct 20, 2012 | Cars & Trucks

3 Answers

Some put plug wires on wrong and i dont know how to fix this


Firing order 1-3-7-2-6-5-4-8 --------- front ' 1 2 3 4 ' of ' 'distributorless ignition vehicle ' 5 6 7 8 2.image

Jun 10, 2011 | 1995 Mercury Grand Marquis

1 Answer

Firing order diagram for 94 vw gold


For the 1994 VW Golf:
I do not know if you have the 1.8L SOHC In-Line 4-Cylinder or the 2.0L SOHC In-Line 4-Cylinder; however I have included both below:

For the 1.8L SOHC In-Line 4-Cylinder
Firing Order:
1-3-4-2
Cylinders:
..........(back).........
|...1....2....3....4...|
..........(front)
Distributor:
...(back)
(+)....1
...2.........3
........4...(+)-screw

For the 2.0L SOHC In-Line 4-Cylinder:
Firing Order:
1-3-4-2
Cylinders:
..........(back)..........
|...1....2....3....4...|
.........(front)
Distributor:
......(back)
.....2.......1
(+)............(+)-screws
.....4.......3
......(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

May 27, 2010 | 1994 Volkswagen Golf

2 Answers

Went through a puddle. Car died. Restarted a day


See these items:-

The starter must have been bad due to the water.

Bad PCM or ignition coil.

Corroded battery cables.

See timing belt.

Good luck

Feb 28, 2010 | 1997 Volkswagen Jetta

1 Answer

I replaced my spark plug wires on my 1971 vw and got them mixed up please help


The firing order is 1-4-3-2. From looking at the motor, cylinder 1 is right rear, cylinder 2 is right front, cylinder 3 is left rear, and cylinder 4 is left front.

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4 Answers

Vw golf 1.4 16v after changeing timing belt car idles eratticaly or not at all. Timing marks correct at crankshaft, cam pulleys locked as per haynes manual!


The timing could be 180 degrees out you will have to do it all over again. Bring #1 cylinder upto TDC check the distributor rotor arm that it is pointing to #1 plug wire, It is important that the cams are on the intake stroke and not on the exhaust stroke. The crank is no big deal just make sure the marks are lined up.

Sep 10, 2009 | 2001 Volkswagen Golf

1 Answer

Timing the cams and crank with a belt


  1. Note: Electronic Ignition engine timing is entirely controlled by the PCM. Electronic Ignition engine timing is NOT adjustable. Do not attempt to check base timing. You will receive false readings.

The CKP sensor is used to indicate crankshaft position and speed by sensing a missing tooth on a pulse wheel mounted to the crankshaft. The CMP sensor is used by the COP Integrated EI System to identify top dead center of compression of cylinder 1 to synchronize the firing of the individual coils.
  1. The PCM uses the CKP signal to calculate a spark target and then fires the coil pack(s) to that target shown in Figure 51. The PCM uses the CMP sensor not shown in Figure 51 on COP Integrated EI Systems to identify top dead center of compression of cylinder 1 to synchronize the firing of the individual coils.
  1. The coils and coil packs receive their signal from the PCM to fire at a calculated spark target. Each coil within the pack fires two spark plugs at the same time. The plugs are paired so that as one fires during the compression stroke the other fires during the exhaust stroke. The next time the coil is fired the situation is reversed. The COP system fires only one spark plug per coil and only on the compression stroke.

    The PCM acts as an electronic switch to ground in the coil primary circuit. When the switch is closed, battery positive voltage (B+) applied to the coil primary circuit builds a magnetic field around the primary coil. When the switch opens, the power is interrupted and the primary field collapses inducing the high voltage in the secondary coil windings and the spark plug is fired. A kickback voltage spike occurs when the primary field collapses. The PCM uses this voltage spike to generate an Ignition Diagnostic Monitor (IDM) signal. IDM communicates information by pulsewidth modulation in the PCM.
  1. The PCM processes the CKP signal and uses it to drive the tachometer as the Clean Tach Out (CTO) signal.

2.5L V6

The ignition system consists of an ignition coil, spark plug wires and spark plugs.
The crankshaft position sensor signal is the basis for ignition timing calculations. The alternating voltage signal from the crankshaft position sensor is digitized by a pulse former within the powertrain control module. This digitized signal is then used to position the closing time of the primary circuit of the ignition coil.
Ignition timing is determined by the powertrain control module in response to engine operating conditions based on stored data tables or maps. Once ignition timing has been determined, the powertrain control module interrupts the current to the primary circuit of the ignition coil thus triggering the ignition spark which is supplied to the cylinders through the spark plug wires and spark plugs.
The ignition coils are triggered by the powertrain control module in pairs (cylinders 1 and 5, cylinders 4 and 3 and cylinders 2 and 6) sending one ignition spark to the firing cylinder and one ignition spark to the corresponding cylinder on the exhaust stroke. This ensures that any unburnt fuel residues remaining in the cylinder on the exhaust stroke are re - ignited to provide cleaner exhaust emissions.
---------------------------------------------------------------
2.0L 4 cynder

The ignition system consists of an ignition coil, spark plug wires and spark plugs.
The crankshaft position sensor signal is the basis for ignition timing calculations. The alternating voltage signal from the crankshaft position sensor is digitized by the powertrain control module. This digitized signal is then used to position the closing time of the primary circuit of the ignition coil.
Ignition angle is determined by the powertrain control module in response to engine operating conditions. Once ignition angle has been determined, the powertrain control module interrupts the current to the primary circuit of the ignition coil thus triggering the ignition spark which is supplied to the cylinders through the spark plug wires and spark plugs.
The ignition coils are triggered by the powertrain control module in pairs (cylinders 1 and 4 and cylinders 3 and 2) sending one ignition spark to the firing cylinder and one ignition spark to the corresponding cylinder on the exhaust stroke. This make sures that any unburnt fuel residues remaining in the cylinder on the exhaust stroke are re - ignited to provide cleaner exhaust emissions.
------------------------------------------------------------------------------------
Integrated Electronic Ignition System The Integrated Electronic Ignition (EI) System consists of a crankshaft position (CKP) sensor, coil pack(s), connecting wiring, and PCM. The Coil On Plug (COP) Integrated EI System uses a separate coil for each spark plug and each coil is mounted directly onto the plug. The COP Integrated EI System eliminates the need for spark plug wires but does require input from the camshaft position (CMP) sensor.
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