1997 Chevy Cavalier Hesitation

1997 CHEVROLET CAVALIER
112,000 MILES • 4 CYL • FWD • AUTOMATIC
Avatar
CARRAT
  • MEMBER
  • 2 POSTS
noting some intermittent hesitation w. pedal
usually when stopped and beginning to start
sometimes roar
then ok

need motor mounts and is due for spark plugs

also getting traction sensor light (R front Hub)


what are you thoughts?
Jun 28, 2009 at 11:17 AM
Advertisement
Avatar
BUDDYCRAIGG
  • ✓Experienced Mechanic
  • 2,262 POSTS
maybe a brake caliper is hanging up on the right front.
Jun 28, 2009 at 11:24 AM
Avatar
RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Engine hesistation could be caused by the following

Dirty fuel injectors (cleaning the injectors often fixes this).
Bad MAP (manifold absolute pressure) sensor
Bad TPS (throttle position) sensor
Bad or dirty MAF (mass airflow) sensor
Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
Bad gasoline (fuel contaminated with water or too much alcohol)


Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
Wet plug wires
Jun 28, 2009 at 11:25 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle