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1998 Mazda 626 engine will not accelerate

Tiny
ROBERT1949
  • MEMBER
  • 1998 MAZDA 626
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
Engine starts and idles but will not accelerate. I replaced the throttle body with 2 sensors (used), the mass airflow sensor, and the 02 sensor (used).
I am still getting 6 codes PO171, PO113, PO102, PO715, PO708, PO135.
I would first like to get the engine to accelerate and then fix the other codes.
Please advice.

Robert
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Monday, May 12th, 2014 AT 9:56 AM

6 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
PO102 - Mass Air Flow (MAF) Circuit Low Input

P0113 - Intake Air Temperature Circuit High Input

P0135 - Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

P0171 - System too Lean (Bank 1)

P0708 - Transmission Range Sensor Circuit High Input

P0715 - Input/Turbine Speed Sensor Circuit Malfunction

You have a bunch of things going on here. However, one bad part can cause a few other codes to set. Does the engine rev at all?
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Monday, May 12th, 2014 AT 10:08 AM
Tiny
ROBERT1949
  • MEMBER
  • 4 POSTS
Does not rev
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Monday, May 12th, 2014 AT 3:47 PM
Tiny
ROBERT1949
  • MEMBER
  • 4 POSTS
Doesn't rev
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Monday, May 12th, 2014 AT 3:48 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Have you checked the throttle position sensor (TPS)?
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Monday, May 12th, 2014 AT 5:52 PM
Tiny
ROBERT1949
  • MEMBER
  • 4 POSTS
I replaced throttle body with sensor
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Tuesday, May 13th, 2014 AT 5:27 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
I believe you said it was a used sensor. It may be bad.
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Tuesday, May 13th, 2014 AT 6:42 PM

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