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1998 v90 no start

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
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1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90

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blomkvist
Posts: 3
Joined: 8 February 2017
Year and Model: 1998 v90
Location: Ramona

1998 v90 no start

Post by blomkvist »

I have a 1998 volvo v90 and I need help.

The car started to run rough and I got codes p0300, p0304, p0305, p0306.
I found that two fuel injectors were stuck open, so I replaced all six and put it all toghether.
Now the car won't start!
I get 42 psi fuel pressure and I tested the injectors and they all work. I found oil in the throttle body/air manifold and all the way down to the air filter, I cleaned all the oil out.
I don't get any codes.
I'm thankful for any help and ideas

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rspi
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Post by rspi »

what is missing?

'95 855 T-5R M, Panther - 22/28 mpg, 546,000 miles
'95 955 T-5R Yellow Wagon, Lemonade, 180,000 miles
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Volvo's of past: '87 740 GLE, '79 262C Bertone, '78 264, 960's, '98 S70 GLT, '95 850 T-5R YellowVolvo Repair Videos

blomkvist
Posts: 3
Joined: 8 February 2017
Year and Model: 1998 v90
Location: Ramona

Post by blomkvist »

So I finally tested the compression on my car and found that all cylinders tested fine except for #6
It doesn't have any psi or less then 20 psi
Is it safe to assume that the intake valve on cylinder 6 is the problem.
I don't have the tool to do a leak down test but no compression and oil filling up the throttle body seems to me that the oil is getting pushed out for the throttle body.

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