Power loss, won't accelerate

Tiny
HEINRICH
  • MEMBER
  • VOLVO 240
Volvo 1983 240 DL. Well maintained. Given to young Chinese lady, can't drive stick. Parked under carport 3 years, started once/month. I am teaching owner to drive now. Car started easily, sl rough idle for 20 min, then ran well. Put carb cleaner in tank before driving. Ran fine for 30 min, then when engine and ambient air hot, began to lose power under load. Idle is fine. Going up sl hill, unable to accelerate over 2000 rpm, then after 10 min. Unable to accel on flat road over 1500 rpm. Idle is normal, accel when stopped rough, but will go to 3000. Shut off car for 5 min, then will accel to 5000 rpm when stopped, but won't run for 3 min. Until problem occurs again.
Next day, ran for 40 miles on freeway with no problem. Cool morning 50 F. At noon, temp. 90 F, and same problem after driving in town for 15 min.
Owner has very little money, I work for free.
Thank you so much
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Wednesday, November 7th, 2007 AT 5:40 PM

1 Reply

Tiny
BMRFIXIT
  • EXPERT
When its acting up look under the car on the exhaust system notice if it s getting red hot
Very common in our area if car left unused different kind of animals will nest in the air cleaner and in the exhaust pipe
Check mass air flow meter for foreign material

Good luck
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Wednesday, November 7th, 2007 AT 6:56 PM

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