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98v70t5manual hunting warm start idle for a few min.

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98v70t5mgonegray
Posts: 8
Joined: 04 Jun 2017, 12:39
Year and Model: 1998 v70
Location: Fl, west volusia co.

Post by 98v70t5mgonegray »

The title pretty much says it, my 98 v70 t5 manual. It started a month or so ago. In florida so its never below 0, and usually pretty warm. Cold start is as it should be, warm start sometimes catches really fast now(like first crank and its off). After it starts it idles normal say, 900rpm then goes down. It catches and recovers before it stalls. It will do this maybe 5 or 6 times then it will go away and will drive and idle perfectly. This is with ac off, and you can feel the bogging even when off idle, like when you are driving off i can feel it bog for the level of acceleration i have it at, then itll catch and feel like a surge.

Within 12 months i have replaced.
Airflow meter
coolant temp sensor
Cam sensor
tune up, cap,rotor, plugs and wires.
Iac valve
Air pressure sensor
pcv

thanks for reading and any help is appreciated.

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abscate
MVS Moderator
Posts: 36137
Joined: 17 Feb 2013, 17:54
Year and Model: 99: V70s S70s,05 V70
Location: Port Jefferson Long Island NY
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Post by abscate »

Find, remove, replace every piece of vacuum tubing on your car.

See my cold idle fault thread on my T5
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread

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