I have a "91 Honda prelude si after starting the rpms go up then go down to idle and then up again. This repeats itself for about 4-5 minutes then idles out normally. What could cause this to happen?

Asked by Feb 20, 2015 at 05:44 PM about the 1991 Honda Prelude 2 Dr Si Coupe

Question type: Maintenance & Repair

1 Answer

the air control valve !! if the car has fuel injection engine is located attached to the injection manifold and attached by three bolts disconnect the pipes flush the unit out with electrical cleaner including the bronze gauze filter ensure it is rely clean blow out with compressor is best give a few squirtsof WD 40 and re,assemble ensuring all surfaces are clean also check for leaks in all air feeds to the unit and bolts are correctly tightened this worked on my imported 94 2.2 si

Your Answer

Add photo

Related Questions

Search Honda Prelude Questions

Honda Prelude Experts

#1 dandyoun
dandyoun
Reputation 290
#2 honda2345
honda2345
Reputation 110
#3 Tyler Siska
Tyler Siska
Reputation 100
View All

Related Models For Sale

Used Honda Civic
668 Great Deals out of 77,418 listings starting at $1,000
Used Honda Accord
812 Great Deals out of 81,611 listings starting at $899
Used Honda Accord Coupe
173 Great Deals out of 10,691 listings starting at $2,200
Used Acura Integra
151 listings starting at $4,000
Used BMW 3 Series
1,384 Great Deals out of 37,799 listings starting at $1,500
Used Ford Mustang
361 Great Deals out of 44,495 listings starting at $1,000
Used Mitsubishi Lancer Evolution
24 Great Deals out of 632 listings starting at $14,995

Used Cars For Sale

2001 Honda Prelude For Sale
27 listings starting at $2,449
2000 Honda Prelude For Sale
15 listings starting at $2,499
1999 Honda Prelude For Sale
8 listings starting at $3,000
1998 Honda Prelude For Sale
24 listings starting at $5,495
1997 Honda Prelude For Sale
3 Great Deals out of 20 listings starting at $1,000