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Rough idle

Tiny
THEMISFIRE
  • MEMBER
  • TOYOTA PICKUP
My 1993 toyota pickup 200,000 miles. My truck has been running very well, up until 2 months ago I had a complete engine tune up, oil change, oil filter, fuel filter, plugs, spark wires, cap and rotor, I had taken it in because my truck was running very rough at a stop the truck would "chug" when I turn on my lights it gets marginally worse. After the tune up my truck is still idling rough and has lost lots of power and gets horrible gas millage(about 6 months ago I was getting 36 mpg!) What is the problem? I was told by my Toyota certified mechanic that it could be valves? What is the cost for valves and your opinion on the truck? I know it has a lot of miles but its Toyota I want some life out of it!
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Monday, September 10th, 2007 AT 11:26 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If it was me I'll do a compression check and leakdown to know where am at on valves and rings. And do an oil pressure check to determine them engine bearings condition-if it all checks out. Then I'll maintain the rest and look for any adjustments needed and run it till it dies.
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Tuesday, September 11th, 2007 AT 2:24 AM

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