Question about 1985 Toyota Pickup

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We have no spark. can't tell if it is the coil or the igniter

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The Igniters tend to fail more often than the coil because they use some electronic components that eventually fail due to the hot conditions that they operate under. I would replace the igniter first

Posted on Aug 31, 2010

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1983 oldsmobile cutlass supreme,wont start


Well, you know the ignition coil has to be good. then the ignition control module inside the distributor has to be good. It controls the ignition coil firing times. This module can be tested at a parts store. And then, also in the distributor and attached to the ICM is the pick-up coil which tells the computer crankshaft position, so the computer knows when to signal the Ignition Control Module that it is to cause spark out of the coil. These are the components of the ignition system, so you know how to check them. Ignition coil, ICM, pick-up coil, and the pcm, computer.

First, check that power is getting to the coil when the key is turned to on. The coil must have battery voltage applied to it before it can cause spark. If there is power there, test the ignition coil, test the ICM, then the pick-up coil. If your wiring is good, one of them components may have failed. And of course, the last thing to suspect is the computer, the pcm. Hope you don't have to get that far.

Jan 11, 2015 | 1983 Oldsmobile Cutlass Supreme

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No electricity spark plugs 4,00 liter


check all fuses first, every time, something fails EFI.
the scan tool will tell you why 90 % of time.
connect scan tool
key on
crank for 5 seconds, see scan tool show 300 RPM? about.
good, no RPM is bad sensor (Cmp or ckp)
release key , do not turn off yet
see DTCs stored, now, bingo, its telling you what is bad. OMG.
p0340/ 355? and the like? are bad CMP, bad CKP, or others get em
post em or look them up in the FSM. or at alldata.com
Theory:
the ECU creates spark
there are the 2 sensors that tell the ECU when to spark (inputs)
and the ECU DRIVER the ignition IGNOTOR, that runs the ignition coil.
1 coil or 6 coils. depends on year.
4.0L I6 Jeep engines.


did you check for spark directly at the 1 coil car or at all 6 coils for 6 cop coil cars?

cops are coil over park plug, i think your car is 1 coil, had a 99 jeep.
and this old six still had one, coil, so does this one coil make spark
to a test spark plug, Y/N
if yes, the dizzy cap is bad or wired wrong. to plugs.
I no spark here, do the DTC scans above.!!!!!
post back results.

Jan 20, 2014 | 1996 Jeep Grand Cherokee

1 Answer

Coil packs not firing on 2000 s type 3.0 jaguar


The coils have battery voltage running through the primary windings, and grounded in the ignition control module. The engine computer signals the ignition module when to cut the primary current, thereby inducing high voltage in the coil's secondary windings and spark at the spark plug.
The computer processes all sensor information, but primarily from the crank position sensor, to determine spark timing.

Nov 17, 2013 | Jaguar Cars & Trucks

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F-250 has no spark


you may have a bad crank sensor. this sensor tells the module when to spark.just be sure to check for proper voltages and grounds at the coil and the ignition module.

Jun 30, 2012 | Ford F150 Cars & Trucks

1 Answer

No start


If you have spark to a spark plug wire, you have ignition. So, is there fuel? If so, then it is TIMING, Crank Sensor or Coil. On the Sebring 2.5 there is a crank sensor. It tells the computer where the engine is (timing) and will keep the engine from running or running right. Remember that coil inside the distributor. It has two sides, the ignition side and the coil side. if that ignition side is failing, and even though you have a spark at the plug, the ignition will not happen (won't "catch") So, COIL? Crank Sensor? Still in all, Computer Codes really help. You're getting down there. Good luck then!

Dec 26, 2011 | Chrysler PT Cruiser Cars & Trucks

1 Answer

My engine wont turn over. mechanic said I am not getting a sprk


could be a bad crank sensor. it tells the ecu when to spark. if the crank sensor is bad, the computer will not ground the ignition coil. so in turn there will be no spark to ignition coil. but first check for a bad ignition switch. if bad it will loose its spark. for an ignition switch controls about 50% of the vehicles total power need. good- luck!!

Oct 26, 2010 | 2000 Dodge Ram Maxi

1 Answer

Wont start and getting no spark


If the charging system is not putting out the required voltage, is it the alternator or the regulator? Full fielding the alternator to bypass the regulator should tell you if it is working correctly. Or, take the alternator to a parts store and have it bench tested. If the charging voltage goes up when the regulator is bypassed, the problem is the regulator (or the engine computer in the case of computer-regulated systems). If there is no change in output voltage, the alternator is the culprit.

When the engine cranks normally but won't start, you need to check ignition, fuel and compression. Ignition is easy enough to check with a spark tester or by positioning a plug wire near a good ground. No spark? The most likely causes would be a failed ignition module, distributor pickup or crankshaft position (CKP) sensor.

A tool such as an Ignition System Simulator can speed the diagnosis by quickly telling you if the ignition module and coil are capable of producing a spark with a simulated timing input signal. If the simulated signal generates a spark, the problem is a bad distributor pickup or crankshaft position sensor. No spark would point to a bad module or coil. Measuring ignition coil primary and secondary resistance can rule out that component as the culprit.

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Sep 06, 2010 | 1996 Jeep Grand Cherokee

2 Answers

1990 Isuzu 2.6 L 5 spd. No start.. Fuel pressure is ok, not getting spark. Checked coil, ignition module, distributor, computer and coil wire. No power coming from the coil. Small voltage going into...


assuming you the coil, plugs, cap, rotor and wires are good. check the cam sensor, If you have 12 volts to the coil using a 12v light tester. The cam sensor responsible for sending info to the computer telling it that the cam is turning, then the computer tell the coil to dispurse the charge/sparks to the distributor as distributor distribute the sparks to each plugs from the rotor of the distributor. Replace the cam sensor, it tend to go bad over period of time.

Dec 23, 2009 | 1990 Isuzu Spacecab

1 Answer

1988 Isuzu 4x4 pickuno spark coming out of ignition coil going to


Take it down to most any parts store, they can test if if they advertise module testing. Check the coil and see if there is between any of the contacts. They can probably test the coil too. If you have a repair manual for the truck it can tell you what contacts on the coil should have a connection and how much resistance there should be between them.

Jul 10, 2009 | 1988 Isuzu Pickup 2WD

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