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My truck has low power and a lack of acceleration, what could it be?

Tiny
SGTSTYME
  • MEMBER
  • 1993 CHEVROLET CHEYENNE
  • 230,000 MILES
The engine seems to idle perfectly fine and also when the car is in park and the throttle is pressed it seems great. The problem is when I am driving it takes off from a stop very poorly. I cant even spin the tires. I have replaced all plugs, wires, cap and rotar. I have also removed the catalatic converter and changed the fuel filter about 4 months ago. I am thinking that the timing chain is bad but am unsure because I dont have a timing light. There is no check engine light on what should I check?
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Friday, March 16th, 2012 AT 4:38 AM

10 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
What motor/trans?
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Friday, March 16th, 2012 AT 5:08 AM
Tiny
SGTSTYME
  • MEMBER
  • 5 POSTS
It has a 5.7ltr v8 350
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Friday, March 16th, 2012 AT 5:44 AM
Tiny
FIXITMR
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Borrow a timing light.
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Friday, March 16th, 2012 AT 6:54 AM
Tiny
SGTSTYME
  • MEMBER
  • 5 POSTS
I bought a timing light and followed the manual manual it is suppose to be at 0 degrees I marked it and it wont stay at zero degrees I believe its the timng chain or guides would you agree
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Friday, March 16th, 2012 AT 9:32 PM
Tiny
FIXITMR
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With advance wire unplugged it should read 0.
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Saturday, March 17th, 2012 AT 6:23 AM
Tiny
SGTSTYME
  • MEMBER
  • 5 POSTS
Have the timing set to zero and its still shuttering while driving like there is a bald plug or wire but I have double checked all of them I am out of ideas
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Saturday, March 17th, 2012 AT 6:26 AM
Tiny
FIXITMR
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Set it to 4-10 BTDC and see what happens.
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Saturday, March 17th, 2012 AT 6:46 AM
Tiny
FIXITMR
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Also you didn't use a cheap cap and rotor and wires like house brand from discount auto stores?
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Saturday, March 17th, 2012 AT 6:49 AM
Tiny
SGTSTYME
  • MEMBER
  • 5 POSTS
Oem replacement parts the cap and roter were fairly cheap but the wires were not I burnt through two of the cheap wires so I bought expensive onea
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Saturday, March 17th, 2012 AT 6:56 AM
Tiny
FIXITMR
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We just had a cure with similar vehicle for running sluggish/miss and that was the problem. Auto store brand cap and rotor 1 week old.
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Saturday, March 17th, 2012 AT 3:33 PM

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