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1989 Toyota Camry Check Engine Light

Tiny
CHUCK80000
  • MEMBER
  • 1989 TOYOTA CAMRY
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 137,000 MILES
While driving, the normal speed drops suddenly and comes back up to normal speed at rondom times. The speed goes up and down numerous times. This happened when I used 87 unload gas. It looks to me that the fuel injection needs to be cleaned or bad fuel pump. I would like to know how to change the fuel pump or what chemicals you recommend to use to clean the fuel injection. Please reply asap. Thank you!
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Monday, January 14th, 2008 AT 10:55 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there

Fuel system cleaners in a can don't do the full job, the only way to service the fuel system is an on car cleaning system, or to have the injectors o/hauled. The fuel pup is an in tank unit. I would be replacing the filter and checking fuel system pressure before condemning a working pump.

Mark (mhpautos)
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Monday, January 14th, 2008 AT 11:08 PM

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