IPD - Volvo Parts SpecialistsVolvo PartsVolvo Salvage: Used Volvo Parts and Over 50 Years ExperienceSouthern Vo Vo sells genuine used Volvo parts

Please use this Amazon link ... and help keep MVS on the Web. Thank you!Amazon.com

Advertise here via Google

Login

Not part of the forums? Register. It's free.

Need help? See our Help Page.

2000 C70 will not start

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.
1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

2000 C70 will not start

Postby blap » 05 Jul 2011, 18:52

Hey everyone! I have a 2000 C70 that experienced complete engine shutdowns over the last several months. Wait a few minutes and the engine would start. Sometimes it would shutdown several times when driving for 30 minutes. Now the engine starts for a brief moment and then stops. Try again and it will not start. It has fuel to the fuel bar but not sure of pressure. Could this be a faulty fuel pump? many thanks!
blap
 
Posts: 4
Joined: 05 Jul 2011, 18:40
Location: Texas
Model and Year: 2000

Re: 2000 C70 will not start

Postby jblackburn » 05 Jul 2011, 19:36

Now the engine starts for a brief moment and then stops.

Does it start up for just a second and then shut down again?

The antenna ring around the ignition that reads the chip in your key is a common problem on 1999-2000 models.
'98 S70 T5 218K miles
2012 Chevy Cruze LT 6MT


A learning experience is one of those things that says, "You know that thing you just did? Don't do that."

mercuic: Long live the tractor motor!
User avatar
jblackburn
MVS Moderator
MVS Moderator
 
Posts: 13637
Joined: 08 Jun 2008, 21:54
Location: Alexandria, VA
Model and Year: 1998 S70 T5

Re: 2000 C70 will not start

Postby blap » 05 Jul 2011, 19:55

Yes, it starts briefly and acts like it doesn't have fuel since I try to start again and it doesn't even try to start. Where is the ring and can it be cleaned or repaired?
blap
 
Posts: 4
Joined: 05 Jul 2011, 18:40
Location: Texas
Model and Year: 2000

Re: 2000 C70 will not start

Postby normspanners » 05 Jul 2011, 22:42

Cannot see it being fuel pressure, did it slow down or just stop suddenly? have a listen at open fuel filler cap in a quiet location, you should hear pump running on for a second or two after cranking,then stop quickly if the pump runs down it may be faulty, no pressure, if it is noisy it may also be faulty, has it got VVT, is engine light on, Have you had it 'READ' ON FCR ?
normspanners
New Member
New Member
 
Posts: 17
Joined: 04 Jul 2011, 11:15
Location: uk
Model and Year: 2001v70xc

2000 C70 will not start

Postby jblackburn » 06 Jul 2011, 00:51

This part is the antenna ring. Remove the clamshell around the steering wheel (via 3 Torx screws at the bottom) and unplug the ring and clean up the contacts on the plug if they are corroded up and give it a try. Sometimes this works; sometimes it doesn't.

The starting up and shutting right down suggests the immobilizer circuit cutting it out.
Please log in or register to see attachments.
'98 S70 T5 218K miles
2012 Chevy Cruze LT 6MT


A learning experience is one of those things that says, "You know that thing you just did? Don't do that."

mercuic: Long live the tractor motor!
User avatar
jblackburn
MVS Moderator
MVS Moderator
 
Posts: 13637
Joined: 08 Jun 2008, 21:54
Location: Alexandria, VA
Model and Year: 1998 S70 T5

Re: 2000 C70 will not start

Postby blap » 06 Jul 2011, 02:30

The ring seems clean. Any other way to check the immobilizer circuit? I did take the fuel cap off and the engine started for a longer period. It still won't run. Does anyone know what the fuel pressure should be and how to test?
blap
 
Posts: 4
Joined: 05 Jul 2011, 18:40
Location: Texas
Model and Year: 2000

Re: 2000 C70 will not start

Postby normspanners » 06 Jul 2011, 02:51

you should have a schreader (tyre) valve at end of the fuel rail can't say exactly the pressure for this model but most inj systems run at around 50/60 psi but anything more than 30 psi engine should run
normspanners
New Member
New Member
 
Posts: 17
Joined: 04 Jul 2011, 11:15
Location: uk
Model and Year: 2001v70xc

2000 C70 will not start

Postby jblackburn » 06 Jul 2011, 02:55

Fuel pressure should be around 44 psi before cranking; around 38 at idle.

There is a blue cap that houses a schraeder valve on the drivers side of the fuel rail. That is where you'll test for pressure.

Remove the top of the upper fuse compartment near the windshield. There are torx screws around the edges. Remove relay 103 and stick a jumper wire between pons 15 and 78 and see if your car will start and stay running. FPR's tend to act up in extreme heat/cold, so 'tis the season!
'98 S70 T5 218K miles
2012 Chevy Cruze LT 6MT


A learning experience is one of those things that says, "You know that thing you just did? Don't do that."

mercuic: Long live the tractor motor!
User avatar
jblackburn
MVS Moderator
MVS Moderator
 
Posts: 13637
Joined: 08 Jun 2008, 21:54
Location: Alexandria, VA
Model and Year: 1998 S70 T5

Re: 2000 C70 will not start

Postby blap » 08 Jul 2011, 01:39

The jumper wire confirmed the relay was defective. I tried to replace the capacitors on the relay without success. However,
support from site saved me a visit to the dealership. Many thanks to all. My roughly $1000 repair turned out to be $35 and have won over a new Volvo owner and dedicated follower.
blap
 
Posts: 4
Joined: 05 Jul 2011, 18:40
Location: Texas
Model and Year: 2000


Return to Volvo 850, S70, V70, C70 & V70-XC Forum (1992-2000)

Who is online

Users browsing this forum: 80sGuy, abscate, Bing [Bot], flgator85, Google [Bot], mountvalley, Seaway, seb21051 and 116 guests