02 impala with check engine code p0128 this code is not found under emission codes what does this code mean and how do you repair?

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It means the engine didn't warm up to the correct operating temperature. Thermostat is probably stuck open. Replace the thermostat.
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What is check engine code 35?

%DETAILS% this answer is out of the haynes code book. code 35 idle air control valve or cicuit. Or idle speed control switch or circuit(shorted). good luck One tip on the Idle Air system on GM's - some need to have a special reset on that part to clear the code. On the 1980-1990's GM's the procedur (MORE)

How to check engine error codes?

if it is OBDII hook it up to the tester which can be done for free at advanced auto parts. Advance auto parts in my area will no longer clear codes for you.

How do you erase check engine codes?

Without a code reader (you can buy one for about $80 at most auto parts stores), you can sometimes erase the codes by disconnecting the battery cables. Most newer code readers allow you to erase the computer memory.

What does error code P0302 for the check engine light mean?

P0302 means number two cylinder has a misfire, due to possibly a spark plug, spark plug wire, ignition coil, fuel injector or something mechanical in the engine like a bad valve, valve spring or piston ring etc. For future reference OBD II codes are listed at DenLorsTools.com Tech articles under OBD (MORE)

Your check engine light came on in your 1999 Dodge Neon you checked the PCM codes and the one that is flashing in your car is not in your repair book what does code 45 mean?

There is no such code on an OBD2 vehicle which this 1999 Neon is. Each code has a unique letter and four numbers that correspond to a specific fault. The letter can be a B (body), C (chassis), U (network), or P (power train). Practically speaking, just about every code you'll have to deal with will (MORE)

What is check engine code p1457?

Answer . That is a proprietary code and is different in some vehicles but on GM/ Dodge vehicles it would be P1547 A/C System Performance Degraded ... For VW it is P1547 , Wastegate Bypass Regulator Valve Short To Ground For Subaru it is P1547 , Exhaust Gas Temperature Sensor Malfunction (MORE)

The trouble code P0128?

Actually, there are two coolant temperature sensors. One is for the gauge and the other tells the ECM [computer] what the coolant temperature is. If your gauge is reading normal, that sensor is probably OK. It is likely the other sensor is giving false info to the ECM which is turning on the light a (MORE)

What is check engine code P0420?

Code PO420 is catalytic converter efficiency low bank 1, sensor1. You did not state as to the year,make and model of the car as well as the engine size. I am a member of IATN and the majority of there fixes was related to someone installing an AFTER MARKET converter. There is a big difference. I str (MORE)

P0128 code on a 02 Pontiac Grand Prix?

According to AutoZone ODB II readout:. Definition. Coolant temp is always low.. Explanation. The powertrain control module verifies that the engine is at a proper operationg temperature.. Probable causes. 1. Check coolant level. 2. Thermostat defective. 3. ECT (Engine Coolant Temperature) se (MORE)

Emissions code reading on check engine light of Toyota Echo 2002?

Get the code, then google it. You will find a lot of potential solutions, try them in order of least expensive to most expensive. Could be an O2 sensor, or maybe you just need to clean your MAF sensor (easy job) or replace an air filter (easy job). Since you did not mention the actual code, you can' (MORE)

Check engine code PO456?

OBD11 DTC definitions PO-456 EVAP emmission control system leak (very small) possibly faulty purge valve

What does a code P0441 EVAP emission mean?

It means you have an Evap purge control leak in the EVAP system. Basically when you have gasoline in a car there are a lot of excess fumes, these fumes are routed through the EVAP system of the car, through a charcoal canister, and returned back to your gas tank as liquid fuel. A leaking charcoal (MORE)

How do you repair P0496 engine code?

Evap control systems are often times difficult to diagnose. Try using information here:. http://www.gearchatter.com/viewpost17788.php. If that is more than you want to deal with you may want to take it to a good mechanic.

What is check engine code p1788?

Answer Symptom: P1788-2/4 HYDRAULIC PRESSURE TEST FAILURE When Monitored and Set Condition: P1788-2/4 HYDRAULIC PRESSURE TEST FAILURE When Monitored: In any forward gear with engine speed above 1000 RPM shortly after a shift and every minute thereafter. Set Condition: After a shift into a forward g (MORE)

What is error code p0128 in Chevy Impala?

P0128: Engine Coolant Temperature is below the Thermostat Regulating Temperature Basically the Computer sees that the engine is running too cold. It could be that the thermostat is stuck open and the engine is actually too cold. Or it could be a bad temperature sensor, wiring to the sensor, (MORE)

What does the check engine code?

The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions. If the check engine light is fla (MORE)

What is check engine code P1443?

This code indicates an incorrect Evaporative System Purge Control Valve flow. Can be caused by clogged, disconnected, or broken vacuum line between the EVAP Canister Purge Valve and intake manifold or bad Purge Valve itself. .

What to do when your check engines has a P0401 code?

The code means that EGR flow is insufficient. That probably means the EGR valve is stuck partially open or the EGR pump is not working correctly. You probably need to get it repaired before too long or it will dirty up your engines interior pretty bad. If you know of a good independent mechanic, it' (MORE)

What is check engine code P0032?

Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 2) . symptoms Other than the MIL light illuminating you may not notice any performance issues. cause A short in the O2 sensor heater circuit or the sensoritself A faulty O2 sensor heater Wiring or connectors are broken or frayed to the (MORE)

What does the diagnostic code p0128 mean?

OBD II Fault Code . OBD II P0128 Fault Code Definition . Engine temperature has not increased and/or reached the correct level within a specified amount of time after engine startup Symptoms . http://wiki.answers.com/check-engine-light on . Vehicle may not shift into the highest ge (MORE)

What is check engine code P2270?

O 2 sensor stuck lean This is usually caused by an exhaust leak, misfire or badly out of calibration fuel injection system. The code usually shows up alone as the computer ignores this problem if it sees a misfire and brings up that code instead.

What is p0128 code for 2004 Chevy Malibu?

P0128 means that the engine is not getting up to proper operating temperature. Basically means it is running too cool. It could mean that the thermostat is stuck in the open position, and sometimes (through research) it could even mean that the coolant level is too low. It is OK to drive, but it mig (MORE)

What is check engine code PO447?

PO447 indicated a leak in the EVAP emissions system. First thing to do is check to make sure the gas cap is tight. Also check the seal on the cap. If that is good and the cap is tight then you have a problem somewhere with the hoses or the purge valve.

What is engine check code?

this means the car has a problem mechanicly an needs fixing, most garages carry out this test between 10 or 20 quid then re-test to see if problem still there allternatively take lead off batry for 20 mins, this should reset codes an turn lights off.

What is the check engine code P0445 for?

Large leak detected. 1 of 4 things: 1. Defective, loose, or missing fuel cap. 2. Evap canister is broken, hose cracked or disconnected. 3. Purge or vent solenoid defective. 4. Vacuum leak at engine.

What is the check engine code P0013?

P0010-P0099 are Fuel and Air Metering and Auxiliary Emission Controls. The P0013 engine light code is caused by a circuit fault of the VCT (variable camshaft timing) system. It deals with high and low voltages. If the voltage goes out of the preset range the light will come on. The possible causes f (MORE)

Why the engine check light is on and what is the code?

code 26/quad driver module fault. I have a vibration when I acceleration at times. What is the cause? I have a 1990 oldsmobile cutlass cierra, 3.3 liter V6 engine. The engine light comes on and off. what is the possible cause?

What does the check engine code p1711 mean?

Depends on the make of the vehicle. Ford=Transmission Fluid Temperature sensor out of self-test range. Hyundai=Oil Temperature sensor abnormal Subaru=Engine Torque Control signal 1 circuit malfunction

What does check engine code 9 mean?

Not enough info to answer. Codes are either two digits( pre 1996) or four digits (1996 and later). Also it is a huge help to include the year, make, and model

What is Check Engine Code?

It is a code that is set by the ECU (computer) that tells you what part of the emissions system on the vehicle that has a problem. The code is retrieved with a scan tool. Most auto parts stores will retrieve the code for you free of charge. Remember, the code only tells you what part is being effect (MORE)

What does error code P0037 for the check engine light mean?

HO2S Heater Control Circuit Low Bank 1 Sensor2 . symptoms Other than the MIL light illuminating you may not notice any performance issues. cause A short in the O2 sensor heater circuit or the sensoritself A faulty O2 sensor heater Wiring or connectors are broken or frayed to the sensor or relay Ba (MORE)

What does engine code PO420 mean and how do you repair it?

PO420 code indicates Cat converter problem. Could be restricted bycarbon or melted or have a fractured brick. Run it by your favoriteundercar/exhaust shop and have it checked, many shops will diagnoseand estimate for free. If there is a bad cat that's not beenimpacted and fractured, you must have wh (MORE)