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Author
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Topic: car shakes while reving and driving
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306 fifty
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Member # 6749
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posted
 
 
okay i messed up my timing on 5.0 took the dist out and didnt mark the spot where it was and it didnt start. so i spin the crank to find tdc and drop back in. it starts but idles up n down like crazy. so when i give it gas a vibration comes from the center/firewall area, noticed lil bit of tranny fluid on the ground but not a lot. its worse when u drive it. could it be the timing? or could it be really low on fluid???
Posts: 164 | From: fairfield | Registered: Apr 2006
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92stangLX
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Member # 3252
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posted
Are you sure you set your timing correctly? I would also check your plug wires for the correct ordering and any damage.
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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306 fifty
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Member # 6749
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posted
timing could be way off and two spark plug wires are burnt
Posts: 164 | From: fairfield | Registered: Apr 2006
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Blind
2.3L
CAFords OG
Member # 3052
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posted
quote:
Originally posted by 306 fifty:
timing could be way off and two spark plug wires are burnt
seems like you know what you need to fix.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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306 fifty
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Member # 6749
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posted
but im no bueno in the timing dept.
Posts: 164 | From: fairfield | Registered: Apr 2006
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92stangLX
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Member # 3252
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posted
Number 1 cylinder is on passenger side front of engine. Remove all the spark plugs and place you thumb over the #1 plug hole. Turn the engine until you feel the piston come up on the compression stoke. It will push at your thumb on the compression stroke. You can then insert a long screwdriver in the hole and touch the top of the piston. Turn the engine over by hand very, very, slowly until the piston is at TDC. Caution: Do not do this with the starter, turn it over by hand.
Check that the dist rotor and timing mark point to TDC
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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Secnd2nun64
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Member # 1431
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posted
If it was 180 out it would not start. Go get yourself a timing light with an advance knob on it and see where the timing is set at and then put it back to factory spec. Also double check that you have the firing order correct.
[ June 09, 2010, 07:14 PM: Message edited by: Secnd2nun64 ]
Posts: 1460 | From: CA | Registered: Jun 2002
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306 fifty
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Member # 6749
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posted
i messed with the maf sensor when i put in my,cold air intake could that be it?
Posts: 164 | From: fairfield | Registered: Apr 2006
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Secnd2nun64
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Member # 1431
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posted
You said you have a vibration. I wouldn't think a MAF sensor would cause a vibration when you rev the engine. Did you check the timing?
Posts: 1460 | From: CA | Registered: Jun 2002
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Venomousnotch
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Member # 8695
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posted
About the vibration it sounds like you might have a bad harmonic balancer...That will throw the timing mark of cause it's bouncing all over the place...LMK
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🏁•2004 MUSTANG SVT COBRA•🏁
"WHEN THE WHINING STARTS,IT MEANS JUSTICE IS ABOUT TO BE SERVED"..
Posts: 7604 | From: *NORTHERN*KILLA4NIA* | Registered: Oct 2008
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306 fifty
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Member # 6749
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posted
how could i tell if the blancer is off or whatever.??? could it be my actual transmission or ?????? man this is irrating
Posts: 164 | From: fairfield | Registered: Apr 2006
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Blind
2.3L
CAFords OG
Member # 3052
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posted
quote:
Originally posted by 306 fifty:
how could i tell if the blancer is off or whatever.??? could it be my actual transmission or ?????? man this is irrating
the engine is going to shake and run like shit until you set the timing correctly and replace the burned spark plug wires (and probably the spark plugs)
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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Secnd2nun64
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Member # 1431
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posted
You can see if it moved by painting or chalking a white line on the zero mark (easier to see that way) on the balancer. Then use your timing light with the advance knob to check your timing. The number of advance of the balancer should match the timing lite number once you turn the advance knob to match the number you recorded off the balancer. (There may be an easier way of doing this but this is what I have done in the past)
You need to bring out your tools and start checking things to rule them out as it could be a lot of things causing your problems.
[ June 11, 2010, 01:59 AM: Message edited by: Secnd2nun64 ]
Posts: 1460 | From: CA | Registered: Jun 2002
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306 fifty
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Member # 6749
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posted
turns out it was the balancer. it was all messed up showing threads n stuff the rubber liner was out but what i want to know is how did it mess up in the first place????? or what causes them to look like mine did.
Posts: 164 | From: fairfield | Registered: Apr 2006
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fast 98gt
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Member # 9307
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posted
they just go out i had 1 go out in a 94 gt that i had just getting old and falls apart
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98 gt with mark 8 motor
07 p71 crown vic
02 explorer 4.0 4wd
90 gt hatch auto sold
90 f350 5.8 sold
88 lx vert 2.3 5sp...sold
Posts: 173 | From: Sacramento | Registered: Jul 2009
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