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2002 Toyota Solara rough idle + performance loss

Tiny
MASON90
  • MEMBER
  • 2002 TOYOTA CAMRY SOLARA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 98,757 MILES
2002 Toyota solara 4cyl (2az-fe) engine series. It idles rough around 600 warmed up, with no load. And causing vibrations at idle and in drive at a stop. Also feels like its lacking performance. I changed the spark plugs during which I tested the ign coils and 1, 2, 3 were 23ohm but cyl 4 was 30.02ohm. Is this the culprit? Been having trouble for awhile now I am desperate
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Tuesday, September 16th, 2014 AT 2:34 PM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes and check fuelpressure with a gauge first autoparts rent it.
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Tuesday, September 16th, 2014 AT 4:05 PM
Tiny
MASON90
  • MEMBER
  • 3 POSTS
No dtc's, fuel psi is 47 at the rail
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Tuesday, September 16th, 2014 AT 4:24 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Clean throttle plate on both sides with choke cleaner and iac hole and check for a vacuum leak.
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Tuesday, September 16th, 2014 AT 4:28 PM
Tiny
MASON90
  • MEMBER
  • 3 POSTS
Thank you for the replies, and your time. Will do.
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Tuesday, September 16th, 2014 AT 4:54 PM

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