2002 Monte Carlo 3.8 SS engine code
545

Asked by Allen Dec 01, 2021 at 10:17 PM about the 2002 Chevrolet Monte Carlo SS FWD

Question type: Maintenance & Repair

My Monte 3.8 had a PO118 CTS circuit
High so I replaced CTS erased code and
drove car. It ran good for 3 miles then
light came back on Temp gauge
stopped working again. Now  Running
rough..
Any ideas?

1 Answer
38,955

beatupchevy answered 2 years ago

The code may be from the thermostat not opening at the right temp. the other problem may be unrelated , buy AC Delco OEM part to avoid junk part as best you can . What do the plugs look like , is the spark good ?

1 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • 2002 Monte Carlo 3.8 SS engine code 1 Answer

    My Monte 3.8 had a PO118 CTS circuit High so I replaced CTS erased code and drove car. It ran good for 3 miles then light came back on Temp gauge stopped working again. Now Running rough.. Any i...

    2002 Chevrolet Monte Carlo SS FWD

    -

    Maintenance & Repair

  • 2004 SS Monte Carlo supercharged 3.8 2 Answers

    Trying to figure out if I have a blown head gasket or what might be going on with my Monte Carlo just started overheating

    Chevrolet Monte Carlo

    -

    Maintenance & Repair

  • 04 ls to 01 ss monte carlo transmission swap 3 Answers

    Will the transmission from an 04 Monte Carlo LS 3.4 l V6 fit and plug in and work correctly in an 01 Monte Carlo SS V6 3.8 L

    2001 Chevrolet Monte Carlo SS FWD

    -

    Maintenance & Repair

  • CODE 0420 ON A 2002 MONTE CARLO SS 3.8L ALSO RESONATOR PIPE IS LEAKING WILL THAT CAUSE THE CODE 3 Answers

    WILL A LEAKING RESONATOR PIPE CAUSE THE P0420 ENGINE CODE

    2002 Chevrolet Monte Carlo SS FWD

    -

    Maintenance & Repair

  • 2003 monte Carlo ss 1 Answer

    I drove my 2003monte Carlo ss about 20 miles it ran fine. I parked ut for 3 hours then started it and it is really loud coming from the back of the motor.and it was backfiring and losing power I ...

    2003 Chevrolet Monte Carlo SS FWD

    -

    Maintenance & Repair

Shortcuts

Search Chevrolet Monte Carlo Questions

CarGurus Experts

  • #1
    james sparrow
    Reputation
    1,040
  • #2
    tenspeed
    Reputation
    940
  • #3
    John Saffrahn
    Reputation
    710
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Camaro
20 Great Deals out of 468 listings starting at $11,999
Used Chevrolet Impala
5 Great Deals out of 129 listings starting at $3,495
Used Chevrolet Corvette
28 Great Deals out of 784 listings starting at $15,900
Used Ford Mustang
42 Great Deals out of 1,603 listings starting at $8,995
Used Buick Regal
23 listings starting at $6,395
Used Chevrolet Malibu
44 Great Deals out of 1,056 listings starting at $2,995
Used Chevrolet Silverado 1500
169 Great Deals out of 7,405 listings starting at $6,995
Used Chevrolet Tahoe
16 Great Deals out of 773 listings starting at $7,499
Used Jeep Grand Cherokee
130 Great Deals out of 3,647 listings starting at $5,555

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.