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> Engine Cranks But Won't Fire
kippwimmer
post Feb 23 2011, 07:35 PM
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Help! I have a '01 XC70 with 100,000 miles on it. Drove it last with no problems, parked it. The following day the car cranks but won't fire. Tried pulling codes with a scan tool, and no codes show up. Tried locking/unlocking 5 times (maybe immobilizer??), no start. Tried other keys, no start. No immobilizer message, but could that still be the culprit? It just has me baffled and I am an hour plus from the closest dealer. If I could figure this out I would greatly appreciate any help. I love the car and this problem really has me stumped. Thank you!
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Vermont
post Feb 23 2011, 09:29 PM
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How cold a part of the USA are you located in ?

How old is that timing belt on the 100,000 mile vehicle ?
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kippwimmer
post Feb 24 2011, 08:55 AM
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I am in VA--not that cold lately-upper 20s as a low, 50s during the day. Age of timing belt is unknown. any way to differentiate symptoms of immobilizer and timing with no codes showing up?
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Vermont
post Feb 24 2011, 10:02 AM
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100,000 would be a long time if it's the original belt. Wouldn't they recommend a change-out at 50,000 or so ? I go 80,000 and I'm gambling with fate.

I only ask about weather conditions because I once had a belt break when trying to start the vehicle at -20F, and there was just too much resistance for the old belt.

Does the sound of its cranking sound different? (faster?) Could you pull a plug and do a quick compression test . . . . just to see if the camshaft is turning ? Maybe on your engine, you can get a view of the Timing Belt and see if it's moving; which at least tells you it's not broken, but it could have lost a tooth or jumped.

But I don't know . . . . just tossing out some ideas that others can criticize. I'm no mechanic . . . . except in an emergency.
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danielm85948
post Mar 1 2011, 06:14 PM
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QUOTE (kippwimmer @ Feb 23 2011, 08:35 PM)
Help! I have a '01 XC70 with 100,000 miles on it. Drove it last with no problems, parked it. The following day the car cranks but won't fire. Tried pulling codes with a scan tool, and no codes show up. Tried locking/unlocking 5 times (maybe immobilizer??), no start. Tried other keys, no start. No immobilizer message, but could that still be the culprit? It just has me baffled and I am an hour plus from the closest dealer. If I could figure this out I would greatly appreciate any help. I love the car and this problem really has me stumped. Thank you!

take off the oil filler cap on your rocker cover,can you see if the cams are turning on your cam shaft ,if so timing belt still on, clean and dry your plugs round your coil ,and the contacts on your battery may be wet and your distributor cap ,again may be wet.and check your idle control valve it may be sticking due to dirt ,clean with calb cleaner.change the fuel pump relay
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rpward
post Apr 4 2011, 05:06 PM
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QUOTE (kippwimmer @ Feb 23 2011, 08:35 PM)
Help! I have a '01 XC70 with 100,000 miles on it. Drove it last with no problems, parked it. The following day the car cranks but won't fire. Tried pulling codes with a scan tool, and no codes show up. Tried locking/unlocking 5 times (maybe immobilizer??), no start. Tried other keys, no start. No immobilizer message, but could that still be the culprit? It just has me baffled and I am an hour plus from the closest dealer. If I could figure this out I would greatly appreciate any help. I love the car and this problem really has me stumped. Thank you!


Don't know if this helps, but I had a similar recurring problem with 2002 V70. Had it towed to my mechanic and when it came off the flatbed it started (?!). Mechanic thought it might be a sticky solenoid in the fuel pump and the "bumping" related to loading/unloading un-froze it. Has since recurred twice, and jumping on the back bumper solves the problem.
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Mountman
post May 23 2011, 03:58 PM
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QUOTE (Vermont @ Feb 24 2011, 11:02 AM)
100,000 would be a long time if it's the original belt. Wouldn't they recommend a change-out at 50,000 or so ? I go 80,000 and I'm gambling with fate.

I only ask about weather conditions because I once had a belt break when trying to start the vehicle at -20F, and there was just too much resistance for the old belt.

Does the sound of its cranking sound different? (faster?) Could you pull a plug and do a quick compression test . . . . just to see if the camshaft is turning ? Maybe on your engine, you can get a view of the Timing Belt and see if it's moving; which at least tells you it's not broken, but it could have lost a tooth or jumped.

But I don't know . . . . just tossing out some ideas that others can criticize. I'm no mechanic . . . . except in an emergency.


I am in the process of getting my S60 fixed. It started, I drove 300-400 ft. and the engine just shut off ('03 w/ 110K). The keys turn and the igniter gets going but the engine isn't turning over. My mechanic checked the wiring under the pedals and is currently checking the sensor that is on top of the gas tank. If it isn't that then he'll check the fuel pump since the engine isn't getting anything w/ a full tank. I'll keep you posted.

Timing belts vary on vehicles, but my belt was suggested to be replaced at 105K. For a $600-900 job, thank God it's only every 100K!
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Mountman
post May 27 2011, 12:09 PM
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Update: After my mechanic looked all week for the issue with my car, he changed the control module associated with the gas tank. This didn't get my car started, yet he did say that the fuel pump was working. Relays also worked. I will post again when I get an update/fix.

Update 2: Bear with me on this since I'm not a mechanic. A tube that is in the fuel tank became unattached and that is why the engine was not getting gas. The tube suctions onto its port, but for some reason a dimple was on there, which allowed for the tube to slip off and put gas right back into the tank. Securing with a slip tie so it never does it again. Car works fine.
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