Question about 1991 Chevrolet Silverado 2500

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Ok check the coil and take modulater off take to parts house check to see if modulater is bad if it is replace your good to go

Posted on May 13, 2010

  • TIMOTHY HOUSER May 13, 2010


  • JEFF BURGESS May 13, 2010

    i here ya it is difficult these days



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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Why does it turn over but won't start?

You need 3 basic things to make an engine run. 1 Compression, 2 Fuel, 3 Spark. So start buy checking for spark, remove a spark plug and plug it back into the wire. Now touch the threads of the spark plug to metal ( a good ground on the engine) and then turn the engine over (try to start it) and see if you have spark? No spark find the problem. If you have spark now see if you have fuel getting to the engine. You can try pouring a little fuel into the carb or throttle body and then see if the engine will fire or try to run. If it tries to run or fires you have a fuel problem. You need to find out why it is not getting fuel. Spark or fuel, 90% of the time are the main causes when an engine will not run. I hope this gets you started. Rod

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Cant tell if i am gettong fuel to the engine

Turn it over and then remove a spark plug. But only if it is Gas (No spark plugs on Diesel engines) If the plug is wet, you are getting fuel through. While you have the plug out you could check if you are getting a spark. Rest the plug against the engine block whit the lead connected. You will need a friend for this next bit. Turn the engine over and watch the plug for a spark. If it is diesel then the problem is more difficult to check and should be checked by someone with a reasonable degree of mechanical knowledge. Hope this helps.

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I was driving my 1993 Jeep and it turn off will turn over but won't what could it be ?

Check for blown fuses. You need to find out if it is getting fuel and spark. To check for fuel, crank the engine for about 10 seconds, Remove a spark plug. If the plug is wet and smells like gasoline, then the fuel is ok. It the plug is dry, then you are not getting fuel. While you have the plug out, reattach the spark plug wire to the plug, lay the plug down somewhere on the engine so you can see it when you crank the starter. If your getting spark, there will be a spark jumping between the electrodes on the end of the spark plug as you crank the starter. Let me know what you find and we will try to find out what the problem is.

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Hi and welcome to FixYa!
If that's the case then the fuel pump needs replacement. Once replaced you'll be good.

Hope this helps and thank you for using FixYa!

Jan 02, 2011 | 1999 GMC Jimmy

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Turns over but won;t start

Hello,well there are only 2 things that make any engine run...fuel and spark.. #1. to check if your getting spark you want to use a pair of pliers with rubber grips( if not you will get shocked ) then pull one of the spark plug wires off the plug (and if you have an old spark plug laying around you can put it on that wire turn engine over and see if you get a spark.) and holding it a 1/4" inch away from plug(or any metal surface of frame) have someone else turn engine over and see if your getting any spark?( its easier to see spark at night.) #2. if you have spark,then its in the fuel system.( will be your fuel pump,fuel pump relay,clogged fuel filter,ect.) if you dont have spark,it will more than likely be your ignition coil... good luck...yz-maniac.

Oct 12, 2010 | 2000 Jeep Grand Cherokee

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I have a 98 grand am blew a head gasket, ive had the heads reworked and new gaskets now the car doesn't start, just turns over. what could be the problem?

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Mar 01, 2010 | 1998 Pontiac Grand Am

1 Answer

Engine turning over but won't run

Two things you need to check. 1) are you getting spark ? 2) are you getting fuel.
Pull spark plug, have someone turn over engine, and ground plug to metal surface on engine.
If you have spark, then spray some carb cleaner into intake, does van start ? If yes then fuel problem.

Feb 03, 2010 | 2000 Dodge Caravan

2 Answers

Wont start

You can pull a plug wire end from a plug and either put a spare plug in the end, or remove one of your plugs from the engine. Just lay the plug onto the engine... don't hold it... ha
Have someone turn the engine over and observe for spark at the end of the plug.
This will at least determine if you're getting spark. Good luck!

Sep 02, 2009 | 1999 Jeep Cherokee

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Car wont start, sounds like out of gas but tank is full

A car not starting can be caused by many, many things.........but...................a bad thermostat or a good thermostat will not cause or keep a car from starting in any way. you need to know if it is getting gas to the cylinders........and to check for spark at the cylinders.......pull a spark plug wire at the spark plug, pull the spark plug and see if it looks wet or smells like strong gas odor....then plug wire onto spark plug, (without re-installing spark plug), and hold spark plug onto a grounded metal object on engine (using a rubber insulated object, so you don't get shocked), then have someone turn engine over and look to see if spark plug sparks........if yes, re-install spark plug, etc.......your ignintion is sparking, but if you are getting fuel, it may be a jumped timing chain? You may need mechanical help........don't trust the person that told you about a thermostat........

Jul 16, 2009 | 1997 Chevrolet Malibu

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Engine is not running

Looks like u better find a ride to work. U need spark and gas for the car to run. When u turn the key, does the engine turn over? If it does, u should check to see if there is spark at the plugs. Remove a spark plug wire, remove the spark plug (if u have an extra plug, just plug it into the removed wire) place on nearby metal surface, turn key, watch for spark at tip of plug. If u see spark, check to see if gas is getting to spark plugs. After several attempts to start, you should see gas (wet) on plugs. Let me know what u find

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