Question about 2000 Suzuki VZ 800 Marauder

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My 2000 vz800 has no spark (either cylinder) there is 12v to the igniter and its grounded properly o-scope shows signal pulse from signal generator can somebody test the igniter to see if its OK or do I just need to try a new one. they're very expensive. thanks David Redding

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If you are getting power to your coils and no fire thats where your problem is. look into coils make sure they test right

Posted on May 23, 2011

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1998 Suzuki VZ 800 Marauder running on one cylinder


Hi, Michelle you need "FIVE" things in order for a cylinder to run properly:
1. FUEL: in order to validate your not getting fuel spray some starting fluid into the air cleaner and hit the starter button, if it fires up and runs for a few seconds then you know you have a fuel delivery issue. Multi carb banks should be bench "SYNC"
2. SPARK: remove the spark plug and with it connected to the spark plug cable ground the threads to something metal you should see a bluish white spark if not you have a faulty spark plug, spark plug cable, ignition coil, condenser, CKP, ECM, sensor or the wiring in between.
3. COMPRESSION: you must have at least 80-100 PSI for most bikes, multi-cylinder engines should be within 10-15% of each other if not perform a leak down test you may have a burnt or bent valve or hole in the piston or broken rings.
4. CAM TIMING: confirm your timing marks are aligned to see if the cam chain or adjuster are worn out and the chain has skipped a couple teeth.
5. IGNITION TIMING: on older bikes check to see if your points have not closed up, timing plate has not become loose and confirm with a timing light for proper retard and advance functions, on newer bikes where timing is controlled by an ECM and is nonadjustable check you CKP, TPS, MAP, O2, sensor or its counterpart for integrity.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
mis firing VZ800
Vz800 97 only runs on one cylinder possible broken wire
2000 VZ800 marauder 800 Front cylinder not getting fuel
Suzuki 1997 VZ800 Service Manual
OEM parts for Suzuki
http://mybikemanuals.com/suzuki

Aug 12, 2017 | 1998 Suzuki VZ 800 Marauder

1 Answer

My 96 Cadillac Eldorado has no spark coming from quoil


quoil ? Coil ! This is a very complex ignition system ,rather replacing parts an costing yourself a lot of money do yourself a favor an take it to a ASE certified repair shop ! Could be any number of things ,from one of the two crankshaft sensors , cam sensor , ignition control module , engine computer etc.. Are there any codes stored in the PCM ? That's the first thing that should be done , have a scan tool hooked up !
The ignition system uses a waste spark method of spark distribution. During cranking, the Ignition Control (IC) module monitors the crankshaft position sensor signals. The signals are used to determine the correct pair to spark first. After the crankshaft position signals have been processed by the IC module, it sends a fuel control reference pulse to the PCM. When the PCM receives this pulse it will command all eight injectors to open for a priming shot of fuel in all cylinders. After priming, the injectors are left OFF for the next eight fuel control reference pulses from the IC module (two crankshaft revolutions). This allows each cylinder a chance to use the fuel from the priming shot. During this waiting period, a cam pulse will have been received by the PCM. Now the PCM begins to operate the injectors sequentially based on true crankshaft position. However, if the cam signal is not present at start-up, DTC P0340 will set and the PCM will start fuel delivery in a random pattern with a 1 in 8 chance that fuel delivery is correct.
The crankshaft position sensor signals are used only by the IC module. It is used for spark synchronization and to initiate reference pulses only (not passed to the PCM).
Was the Powertrain On-Board Diagnostic System Check performed?
--
Go to Step 2
Go to A Powertrain On Board Diagnostic (OBD) System Check

2

Are DTC(s) P0231, P0232, P0322, P0601, P0602, P1376, P1631, P1632 OR P1634 set?
--
Go to DTC(s) that are set.
Go to Step 3

3

  1. Install spark tester J 26792 on one spark plug wire and ground that cylinders companion cylinder plug wire.
  2. Crank engine while observing the spark tester.
  3. Repeat the above steps on at least one more cylinder.
Does the spark tester indicate a crisp blue spark on all tested cylinders?
--
Go to Step 4
Go to Electronic Ignition (EI) System Diagnosis (Ignition System Check)
When any condition is suspected to be caused by or related to the ignition control system, the first step in diagnosis should be to check for stored PCM DTCs. Diagnose all DTCs before further action is taken. If no DTCs are stored and the condition is still present, refer to the following:

Jun 05, 2015 | 1996 Cadillac Eldorado

2 Answers

My 1995 dodge caravan trys to start but wont im getting no spark to my spark plugs


Hi mate start at the easiest point which will be to check your EARTH to make sure everything is earthed.

Feb 06, 2015 | Dodge Cars & Trucks

1 Answer

Kawasaki zx750j 1991 with no spark?


only one wire is 12v other is neg , coil fires when the neg is grounded not sure if your bike has pulse generator this sends signal for coil to ground at correct time look on you tube for coil test primary and secondary there are two dual fire coils on that bike

Oct 15, 2014 | kawasaki Z750 Motorcycles

1 Answer

Weak spark on #1 and #4 spark plug how do i repair this


Check your ignition coil. Could be the cause. Also check crank and camshaft sensors with a scope to see if you have a uniform pulses. I hope it helps.

May 01, 2014 | 2000 Ford Focus

1 Answer

Jaguar xj sport 3.2 no spark or injector pulse


If ECU has crank signal and engine turns over, ECU should give injectors a pulse and trigger the ignition. If not ECU might be bad. You should check power and grounds going to ECU. There are usually multiple power and grounds going into ECU

Jan 06, 2014 | Cars & Trucks

1 Answer

1996 buick park ave, wont start, has spark but no voltage at injectors...


Spark indicates crank sensor, ignition coils and modules-ok
no voltage at injectors; should be 12v in each of the injector wires (not the black one) with key on engine off. Voltage provided to injectors comes from injector driver circuit inside PCM, and pulses ground signals to open and close injectors.

Aug 26, 2011 | Buick Park Avenue Cars & Trucks

1 Answer

What should a multimeter read on a continuity test on the coil packs? i'm getting 1.9,1.7,1.7


The multimeter can read the resistance and if it is not open or shorted out, I'd say that your readings are in the normal range, comparing each resistance with each other + or - 10%.

I looked up the resistance readings on my online resource, but they did not list it specifically.
---
I looked up the following on autozone.com:

There are 3 dual-tower ignition coils that are part of the ignition control module (ICM). The ICM contains coil driver circuits that command the coils to operate. The Powertrain Control Module (PCM) controls each dual-tower ignition coil by transmitting timing pulses on the ignition coil control circuit to the ICM for the proper coil to enable a spark event.
  1. Inspect the spark plug wires for proper orientation.
  2. With the ignition OFF, remove the fuel pump relay.
  3. Crank the engine and test for a strong spark on each cylinder spark plug wire using a suitable spark plug tester. Ground the companion cylinder spark plug wire of each cylinder when it is tested.

    If a strong bright blue spark is present on all of the cylinders, remove and inspect all of the spark plugs for proper torque, proper gap, wear, damage, and fouling. Replace the spark plugs if necessary. If there is no spark on any of the cylinders, test the ignition voltage circuit of the Ignition Coil Module (ICM) for an open/high resistance or short to ground, or test the ground circuit of the ICM for an open/high resistance, or a faulty ICM. The wire circuit resistance should measure less than 3 ohms. If there is no spark on any of the cylinders, or spark is weak or intermittent, test the IC circuit for an open/high resistance, or a faulty ICM. The wire circuit resistance should measure less than 3 ohms. If spark is present on one or more of the cylinders, inspect and test the spark plug wires for arching, cuts, rubbing on other components, and proper resistance. If all tests are normal, then the system is operating correctly.
    ---

Oct 08, 2010 | 2000 Chevrolet Venture

1 Answer

MC cranks, but wont start.


You have done good - This is a shot in the dark but if the bike thinks the bike is in gear with the kickstand doen (kickstand relay) the bike will not start - look for a voltage from the kickstand relay (at the kickstand)

Oct 06, 2009 | 1997 Suzuki VZ 800 Marauder

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