Question about 1993 Pontiac Trans Sport

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I have a 68 pontiac firebid 350 4brl car sat for 10yrs it cranks over i replaced point,cap,rotor,coil still no spark i have power on coil & point.

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Check your wires to coil for proper paralell also replace condenser and also a very common but little known event takes place with point type ignitions is when the key is turned to on and the points are touching together they actually can become fried or burnt and a crust will form over the contacts changing the dwell and clearance you have, as well as stopping the voltage flow. Easiest solution, limit your key on time and either buy a points file and use, or put a fine grit sandpaper [320 or 400 or so] together/double sided and run through the point contacts till you have eliminated the obstructive crust that has formed. do this even if you dont see a crust as new points can have this formation take place regardless. good luck to ya. Rudie..

Posted on Aug 28, 2008

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Did you set the gap on the points?

Posted on Aug 02, 2008

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2 Answers

My 1991 chevy s10 2.5l want crank it's getting red spark


Hi Austin:

Counting on my fingers I make that over 25 years old, so the maintenance history and mileage become very relevant.
I'd be considering an ignition tune-up as an appropriate first step.
Changing spark plugs, plug lead harness (wires), rotor, cap, coil, Points & condenser (or solid state components.
Chances are it will show a remarkable improvement.

Jul 15, 2016 | Cars & Trucks

2 Answers

1949fordrepairhelp


Old school!

Check the points for being clean and flat. One side has a trough and the other side has a spike. Clean them so they are flat. Check the points gap with feeler gauges. Check you have power at the ignition coil. With power to the coil, when you disconnect the earth, you should get a spark at the plug. Check the plug gap about 25 thou. Check the rotor inside the distributor cap, it may be missing and you need one. The brass outer contact can be cleaned on the wall of the tyres (those were the days). Also check that the spring loaded contact in the CENTRE of the distributor cap goes up and down. Finally check that the distributor cap doesn't have any cracks. Watch the cap and leads in the dark whilst cranking and looks for sparks tracking to earth. Good luck. Let us know how you get on by making COMMENT under my name.

May 12, 2016 | Cars & Trucks

1 Answer

97 pontiac firebird 5.7L HAS NO spark from optispark but has spark from coil


This engine uses a special flat cap and a standard rotor, right ? The spark comes into the cap and thru the rotor, then to the spark plugs.
Have you replaced the rotor ?
The spark can jump thru the rotor and ground thru the dist. shaft.
Depending on where you are testing for spark, the coil could also be weak and not pushing the spark to the plugs.

Jun 23, 2012 | Cars & Trucks

2 Answers

I have a 1998 durango, I have no spark from disturbtor but have spark from coil


Replace the distributor cap and rotor. If you have fire from the coil but not from the distributor cap, you have a bad contact point between the cap and rotor. Replace both and you should be good to go,, if the information that you have supplied is correct.

Aug 21, 2011 | 1998 Dodge Durango

1 Answer

It cranks over but no spark


Welcome to Fixya

Check each plug wires are ok. Replace them ASAP if you found cuts are the like. If wires are good then check the spark plugs one at a time. Check gaps, age is important if they are old, replace them with new spark plugs. Check the distributor cap, the points in poor condition, cracked distributor cap or rotor arm, poor connections to the ignition coil / circuit & earthing, the coil itself shorting out.

Than you for usign Fixya!

Mar 26, 2011 | Hyundai Sonata Cars & Trucks

1 Answer

I have a Mazda astina 323 94 model it cranks but won't start doesn't seem to be any spark from the leads I have recently changed the leads , Im guessing it's the coil and distributor cap please help


1 remove the cable from the coil to the distributor.
check this agains earth, when you turn the engine over.

if spark, suspect rotor arm is not setting spark to each spark plug lead.
open distributor and clean the rotor arm with a cloth or wire wool
not sand paper as this will take off too much and cause a problem

2 check inside distributor for moisture. spray inside with WD40 or equiventy water repelent.

3 if not spark at coil open distriutor cap and with ignition on, open and close points in distributor with a screw driver and check coil again against earth again if you get sparh, problem is points not opening and closing.

4 turn over engine with distributor cover removed to see if rotor arm is moving if not then cam drive to distributor is defective. this controls points and rotor arm.

if rotor arm turning and spark at points but no spark at coil suspect Low tension wiring or coil needs replacement.

i hope this was helpful

Dec 12, 2010 | Mazda 323 Cars & Trucks

1 Answer

98 dakota 2wh drive 3.9 replace rotor & cap


Check this 1998 Dodge Dakota 2WD 3.9 liter V-6 VIN "X"

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Good luck.

Jan 16, 2010 | 1998 Dodge Dakota

1 Answer

Van will not start I have fuel pressure and when cranking it builds oil pressure where do i go from here


Check for spark at the spark plugs. If no spark, remove distributor cap and inspect the inside of the cap and the rotor for obvious signs of wear or damage. Check for spark at the coil wire by removing the coil wire from the center of the distibutor cap, and, holding the end of it close to the engine block, have someone crank the engine. There should be a very strong spark. If there was spark at the coil but not at the plugs, replace the distributor cap and rotor. If there is no spark at the coil, you either have no power or ground at the coil, or the coil is bad. With the ignition ON, there should be 12v at the red wire for the ignition coil. if not, check the fuses. Check for the pulsing ground signal of the ignition coil at the other wire ( I think a white wire) using a test light clipped to battery + while the engine is being cranked. If there is no light, the problem is likely the ignition module or pick-up coil, which is located in the distributor. Make sure that the wiring and connections are in good shape for these items before condemning them.
Pick-up coil should have about 1500 ω of resistance.
Good Luck

Sep 30, 2009 | 2003 GMC Safari

5 Answers

1995 dodge dakota 2wd 3.9 no spark to plugs,or coil,orfuelpump


First of all let's explain how the spark gets to the plugs. There is a crankshaft position sensor and a cam sensor. They are what determines when to fire the coils and injectors. The crank sensor is located on the passenger side on top of the bellhousing, the cam sensor is the pickup plate in the distributor. As the engin turns the send refernece pulses to the computer which grounds and ungrounds the ignition coil causing it to discharge and send voltager from the secondary coil wire to the center tower in the distributor cap. The rotor button recieves the voltage and distributes it to the 6 towers (1 for each cylinder) If you say you're getting spark from the rotor that tells me the primary side of the ignition system is working, and the secondary side is working into the distributor cap. I'd check for spark out of the plug wires at the plugs. Pull a wire and insert a #2 phillips screwdriver into it, hol the shaft of the screwdriver aprox 1/8"(no more) from the exaust manifold and observe the spark as someone turns over the engine. You should see a nice blue spark. If theres spark, spray a little gum cutter in the throttle body an crank it, if it fires you have a fuel problem. Install a fuel pressure gauge on the schrader valve on the fuel rail and observe it as you crank it. If theres no fuel pressure maks sure there's fuel in the tank, if so climb underneath and beat on the bottom of the tank with a rubber hammer, the pump may be going bad, sometimes you can jar them and make them run.

Aug 24, 2009 | 1995 Dodge Dakota

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