I have a 2002 SL2 1.9 liter DOHC 16 Valve engine that bucks / kocks at low rpms. Changed coils, ECM & TPS & still bucks / knocks at low rpms. Looking to change MAP sensor next ?? But not sure Car as 1

Asked by Mar 07, 2015 at 03:45 PM about the 2002 Saturn S-Series 4 Dr SL2 Sedan

Question type: Maintenance & Repair

2002 SL2 Automatic 1.9L DOHC 16 Valve 100k miles
Has new ECM, Coils & Throttle position sensor installed but problem still exist
Was told it could be a MAP sensor ??

1 Answer

995

Hi maybe the knock sensor is bad? Have you tuned it up lately up? Check your spark plugs and spark plug wires might be your knock sensor I'm not quite sure hope this helps?

Your Answer

Add photo

Related Questions

Search Saturn S-Series Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Saturn S-Series Experts

#1 Alex Nazarian
Alex Nazarian
Reputation 1,460
#2 helpmeplease
helpmeplease
Reputation 990
#3 fabian_09_21
fabian_09_21
Reputation 770
View All

Related Models For Sale

Used Saturn L-Series
551 listings starting at $1,999
Used Saturn ION
8 Great Deals out of 1,506 listings starting at $1,695
Used Honda Accord
1,013 Great Deals out of 75,624 listings starting at $899
Used Saturn VUE
55 Great Deals out of 2,599 listings starting at $1,700
Used Ford Taurus
326 Great Deals out of 21,200 listings starting at $1,800
Used Honda Civic
858 Great Deals out of 70,842 listings starting at $1,200
Used Toyota Corolla
999 Great Deals out of 68,490 listings starting at $1,595
Used Ford Focus
884 Great Deals out of 58,882 listings starting at $800
Used Ford Ranger
207 Great Deals out of 6,873 listings starting at $1,595
Used Pontiac Vibe
34 Great Deals out of 1,278 listings starting at $1,399
Used Chevrolet Camaro
433 Great Deals out of 40,831 listings starting at $3,500
Used Nissan Altima
1,089 Great Deals out of 83,139 listings starting at $1,600
Used Ford F-150
3,142 Great Deals out of 208,987 listings starting at $1,200
Used Toyota Camry
1,238 Great Deals out of 97,272 listings starting at $1,250