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Author Topic: **MECHANICS**  (Read 3174 times)
dwhd93
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« on: October 25, 2012, 09:21:34 pm »

Picked up a 98 Chevy 1500 single cab long bed with the 4.3l v6 w/T 2wd for 500 bucks but it ain't runnin it'll turn over but won't start. I bought from my boss and he said all the gauges used to peg out then show a reading and it doesn't do that anymore but the cluster is still gettin power because the fuel guage still moves. The fuel pump is priming but I don't think the plugs are gettin a spark cause it won't even start with ether. He said it was kinda actin up before it just wouldn't start at all and he would kinda kick towards the firewall and it would start but I can't find any relays or lose connections... anybody have any kinda ideas?Huh? either reply on here pm me or text or call me at 281-736-3471
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halfbreed
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« Reply #1 on: October 25, 2012, 09:25:02 pm »

sound like a bad relay or the computor is bad .
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dwhd93
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« Reply #2 on: October 25, 2012, 09:32:01 pm »

I looked all over the truck for different relays without takin off the dash and the only 2 relays that was necessary was the fuel pump relay and the starter relay put both on my 95 and it started right up. Really hope it ain't the puter.... they messed up when they started puttin them damn things in...
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riverbottomhoghunter
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« Reply #3 on: October 25, 2012, 09:35:15 pm »

 your main problem is  9 letters  c h e v r o l e t  Grin      just poking fun
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dwhd93
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« Reply #4 on: October 25, 2012, 09:37:42 pm »

your main problem is  9 letters  c h e v r o l e t  Grin      just poking fun
My daily driver is a Chevrolet bud love that truck to death. And its towed its fair share of Ford's  Evil
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charles
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« Reply #5 on: October 25, 2012, 09:40:51 pm »

 does it have coil packs or electronic ignition? pull a plug, have some1 turn it over with the plug is grounded where the end of the plug can be observed. if it aint sparkn, then check the coil wire to the distributor cap and see if you can get a spark from the coil, if so, check the distributor, it may be bad. i dont much about elec ign, i like points, minus the adjustment.
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riverbottomhoghunter
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« Reply #6 on: October 25, 2012, 09:41:36 pm »

your main problem is  9 letters  c h e v r o l e t  Grin      just poking fun
My daily driver is a Chevrolet bud love that truck to death. And its towed its fair share of Ford's  Evil
             yea chevys are ok i have just been born and raised with fords
 
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dwhd93
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« Reply #7 on: October 25, 2012, 09:46:53 pm »

does it have coil packs or electronic ignition? pull a plug, have some1 turn it over with the plug is grounded where the end of the plug can be observed. if it aint sparkn, then check the coil wire to the distributor cap and see if you can get a spark from the coil, if so, check the distributor, it may be bad. i dont much about elec ign, i like points, minus the adjustment.
yes its electric ign but its parked at the shop right now till the weekend and only got my lunch break to really mess with it so I haven't torn into it to much the dang distributor cap is up against the firewall.. gotta take the intake and throttle body off to get to it and I tried takin the plugs off to check for spark but wire ain't wantin to come off the dang plug.But if it ain't startin with ether it wouldn't be gettin spark would it?
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Hogkiller,
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« Reply #8 on: October 25, 2012, 10:01:24 pm »

Here is a quick fix:

GET A DODGE!
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riverbottomhoghunter
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« Reply #9 on: October 25, 2012, 10:13:01 pm »

 F O R D  first on race say  Grin
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dwhd93
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« Reply #10 on: October 25, 2012, 10:28:44 pm »

Here is a quick fix:

GET A DODGE!

find me a clean dodge for 500 in the Houston are and I will  Grin
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charles
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« Reply #11 on: October 25, 2012, 10:29:07 pm »

does it have coil packs or electronic ignition? pull a plug, have some1 turn it over with the plug is grounded where the end of the plug can be observed. if it aint sparkn, then check the coil wire to the distributor cap and see if you can get a spark from the coil, if so, check the distributor, it may be bad. i dont much about elec ign, i like points, minus the adjustment.
yes its electric ign but its parked at the shop right now till the weekend and only got my lunch break to really mess with it so I haven't torn into it to much the dang distributor cap is up against the firewall.. gotta take the intake and throttle body off to get to it and I tried takin the plugs off to check for spark but wire ain't wantin to come off the dang plug.But if it ain't startin with ether it wouldn't be gettin spark would it?
[/quote

generaly no it wouldnt start if ehter is being sprayed, but are you spraying ether in the intake/filter housing or directly into the throttle body? if through the throttle body, then no, no spark. if into the filter housing, it may be a blockage from a rat or bird nest leading from filter housing to intake. if you can get the plug wires off with a bit of umphh, then you might aswell go ahead and replace the wires and plugs, so just cut the wire boot if you can get to it with a knife or razor blade, if you cant get to it to cut, a pair of pliers will work with a little twisting action. if you pull the metal connector from the wire, spread the connector, place the inner wire over the outter shielding and recrimp the connector and put the plug back into the boot and turn the eng over. if no spark, ensure the gap is set and the grounding point is clean so it can get a clear connection for the spark. if still no spark, pull the distro cap and ck the elec with in the distor housin, there might be a corroded connection, or just a plain burned out ignition. you may have to invest in a new distro, if still no spark, after new distro, ck the coil, but it may help to ck the coil first before buying a new distro. its been 10yrs or so since i farted with a gas burner, so if im missing something and there are some other gas burner goo-roos out there, please correct me on my trouble shooting steps.
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charles
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« Reply #12 on: October 25, 2012, 10:45:52 pm »

Oh yea, 1 more thing to ck n clean. Pull the distro cap off n ck the rotor n cap points for corrosion n use some fine grit sand paper to clean the brass roto point n the cap points. If its corroded, the electicity cant pass over the points to a clean ground. The chances of ALL plugs being being fouled or corroded is slim, but the ign point in the dtstro can cause a headache for shooting the system. The firing is all based on causing postive energy to get grounded out which in turn causing the spark.

Oh another thing that will cause a sudden lack of ignition is timing. If the timing belt broke, it cant turn the cam, which the distro is pwred off of. If a brike timing belt, turning the eng over valves in the open position will cause bent valves n now its more money. Ck n clean ALL points of ignition from the cap n rotor points all the way to the plugs. Once all is clean n gaped accordingly, then turn the eng over. U can turn the eng over manualy once u get the off to make sure the rotor is turning in the first place. If no turny at rotor, dont turn it over with the started.
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dwhd93
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« Reply #13 on: October 25, 2012, 10:47:20 pm »

Sprayin directly into the throttle body. It sputters a bit but not now that I think of it when sprayed. So it may very well be a bad connection somewhere. Especially the way the plug wires look its been awhile since changed. And I wouldn't be able to cut the boot because of the the headers and heat sheilds on it. But id rather invest in all that instead of a ignition system. My only concern is the cluster isn't movin anymore that's what leads me to believe its the ignition... maybe a bad connection somewhere in there he!! idk ill just have tear into it real good and check everything out. The old driver said it drives and shifts good gets bout 20 mpgfigured I could I could save money by usin it for goin into work ininstead of my 8 mpg gas guzzler
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dwhd93
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« Reply #14 on: October 25, 2012, 10:53:58 pm »

I'm not sure anything would be corroded surprisingly I've been lookin for rust on this truck and haven't found ANY I'm extremely surprised with it bein in Houston its whole life and for it being a work truck I'm surprised in its physical condition. no debts rust or scratches and brand new kumho tires lol but ill definitely give all the contact points a thorough checkout. Thanks Charles. If your itchin to bust a couple knuckles and down a couple cold ones gimme a shout this weekend and maybe you can teach me some shade tree mechanic wisdom lol
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charles
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« Reply #15 on: October 26, 2012, 08:41:43 am »

If i was closer to you, i would give u a hand. Even though the tck aint got no rust or very litte rust, them elec connections n point generate heat n then cool off which will create moisture n if it hadnt been ran in a while, just the humidity in the air will cause corrosion. If wouls spit n sputter with ether, it may not be getting a hot enough spark at the plugs for a complete ign n combustion. I would bet a brass monkey the point n rotor hav a green-white film on them. Once u get it to start, run u can of seefoam through the fuel system n if u hav to pull the throttle body off anyways, let it soak in marvel mystry oil for a day or so n the clean it up with carb n choke cleaner. That oil will seep into the smallest opening n disolve any gunk or grime in the nozzles. Good luck n let me know how it comes out.
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MOhogger
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« Reply #16 on: October 26, 2012, 10:42:07 am »

Check the fuse for the instrument cluster. There's a safety feature in the ECM that wont allow it to start w/o oil pressure.
If the oil pressure gauge does not rise while cranking that would be the first place I checked.
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dwhd93
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« Reply #17 on: October 26, 2012, 12:05:11 pm »

Alright Charles will do I appreciate it.

And mohogger I've checked all the fuses and there all good. And I switched all the relays from my 95 to the 98 and my 95 started but still no luck with the 98.
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« Reply #18 on: October 26, 2012, 01:51:32 pm »

your main problem is  9 letters  c h e v r o l e t  Grin      just poking fun
My daily driver is a Chevrolet bud love that truck to death. And its towed its fair share of Ford's  Evil
             yea chevys are ok i have just been born and raised with fords
 

May your tools be with you!
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Hogsnatchers
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« Reply #19 on: October 26, 2012, 01:57:36 pm »

Sounds like ignition, like Charles was describing, check for spark. Ensure you don't have a pcm power relay problem. It has one just need to find it. That will shut off the spark and cause you to not get spark.

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