20 Most Recent 2003 Chevrolet Impala - Page 7 Questions & Answers

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sound like you need to have the catalytic converter checked. when a catalytic converter gets plugged up it will cause the exhaust pipe to get really hot or red. and show the symptoms you are describing. a good muffler shop should be able to test it. good luck

You need to have the codes read from the ABS module and that should get you pointed in the right direction.

Loose axle, bad wheel bearing, or bad speed sensor

If you don't want the ONstar system, simply discontinue it.

the traction sym. works with the ABS sym. sounds like you have a wheel speed sensor or a wheel bearing going out

Try this = http://www.youtube.com/watch?v=XgfT3kuY81c

the P0401 code has to do with your exhaust! Could be caused from sensor to clogged exhaust! The P0301, I believe is misfire, cylinder #1

check to see if a vacuum hose come off of cruise control unit under hood.

2003 CHEVROLET IMPALA REPAIR MANUAL for the easy solution download the pdf file

2003 CHEVROLET IMPALA REPAIR MANUAL click the link to get your answer

2003 CHEVROLET IMPALA REPAIR MANUAL get your car fix right now

2003 CHEVROLET IMPALA REPAIR MANUAL for the easy solution download the pdf file

2003 CHEVROLET IMPALA REPAIR MANUAL get your car fix right now

2003 CHEVROLET IMPALA REPAIR MANUAL for the easy solution download the pdf file

2003 CHEVROLET IMPALA REPAIR MANUAL get your car fix right now

2003 CHEVROLET IMPALA REPAIR MANUAL for the easy solution download the pdf file

That could be a lot of thing's , stalling when ,cold ,hot ,idling , in gear , coming to a stop etc... Could have a vacuum leak , problem with IAC valve - idle air control , an one of a few different sensors could be bad , mass air flow sensor , coolant temp sensor etc.. You need to have some testing done , scan tool hooked up to check for DTC'S - diagnostic trouble codes , also check engine sensor data parameters . What engine does yours have ? 3.4 or 3.8 L . Sensor/System ?€¢ Test for conditions which cause an incorrect idle speed.

- Throttle body tampering, excessive deposits, or damage. Refer to Fuel System Description .

- Restricted air intake system

- Large vacuum leak

?€¢ Inspect the air intake ducts for being collapsed, damaged areas, looseness, improper installation, or leaking especially between the mass air flow (MAF) sensor and the throttle body.

?€¢ Inspect crankcase ventilation valve for proper operation.

?€¢ Inspect the throttle position (TP) sensor and related wiring. Refer to DTC P0123 .

?€¢ Monitor the 24X crank sensor and the CMP sensor present parameters on the scan tool. If both are not responding, test the sensor feed circuit. Both sensors use a separate feed circuit but are internally connected to power. Test all CKP sensor A and CMP sensor circuits for intermittents. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

?€¢ Monitor the 3X parameter on the scan tool. If the 3X is not responding, inspect the CKP sensor B and circuits for intermittents. Inspect the ignition control (IC) circuit, IC timing control circuit, low resolution engine speed signal circuit and the low reference circuit for intermittents. If these circuits become open, or shorted may not set a DTC immediately, but are capable of causing driveability complaints. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

?€¢ Test the exhaust gas recirculation (EGR) system for proper operation. Refer to Exhaust Gas Recirculation (EGR) System Description .

?€¢ Inspect the transaxle range switch input with the vehicle in drive and the gear selector in drive or overdrive.

It means your Traction Control system is on. It provides you with better handling on corners and better traction in bad weather, It beefs up your suspension system and allows each wheel to act independently for control. Very useful. Let me know if you need the hows and whys Mike

i think GM had a recall for that,