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1999 v70 Shaggkira hot start issue

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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abscate
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1999 v70 Shaggkira hot start issue

Post by abscate »

Second occurrence of hot start problem August 239800

No firing after refueling on Thruway

Needed 5-10 seconds cranking with gas pedal fully depressed. Fired, then ran roughly.

Possibles. ECT. Fuel pump relay. Fuel pump


Fuel pump, relay all Original TBOMK
Empty Nester
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1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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foggydogg
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Post by foggydogg »

abscate wrote: 06 Aug 2021, 04:51 Second occurrence of hot start problem August 239800

No firing after refueling on Thruway

Needed 5-10 seconds cranking with gas pedal fully depressed. Fired, then ran roughly.

Possibles. ECT. Fuel pump relay. Fuel pump


Fuel pump, relay all Original TBOMK
Please tell us you always carry a spare relay in the glove box ?
69 1800s, @500k Death by Rust
94 850 Turbo, T-boned, ambulance for me, crusher for it
97 855 T5, 855 R projects
98 V70R x2, Silver Junkyard rescue, Coral Red
98 V70GLT x2, parts cars
00 V70xc x2, both now dead
62 122s, gone to live in Richmond
56 445 Duett basket project
1950 Studebaker 2R10 flatbed, T9 crashbox

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abscate
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Posts: 35267
Joined: 17 February 2013
Year and Model: 99: V70s S70s,05 V70
Location: Port Jefferson Long Island NY
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Post by abscate »

Uh, ok.

🤭
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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foggydogg
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Post by foggydogg »

abscate wrote: 09 Aug 2021, 13:35 Uh, ok.

🤭
But did the relay swap work ?
69 1800s, @500k Death by Rust
94 850 Turbo, T-boned, ambulance for me, crusher for it
97 855 T5, 855 R projects
98 V70R x2, Silver Junkyard rescue, Coral Red
98 V70GLT x2, parts cars
00 V70xc x2, both now dead
62 122s, gone to live in Richmond
56 445 Duett basket project
1950 Studebaker 2R10 flatbed, T9 crashbox

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Clemens
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Post by Clemens »

The fuel pump would also occur in cold start situations as well. Someone knocking on the fuel tank with a log or something should resolve the issue.
But you totally already know that anyways ...
As always, hard to diagnose if only intermittent.
Summer: 1996 855 R
Winter: 1994 855 T5M
Donor: 1995 854 10V

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