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Check Engine Light Tips

1. The Check Engine light tells you the computer found a problem with your vehicle's running condition.

2. If the vehicle is driving OK, a Check Engine light is not a reason to pull over. But get the problem fixed soon.

3. In testing areas, you will fail your emissions test if the Check Engine light is on.

4. Fuel economy generally suffers when the Check Engine light is on.

5. An extended warranty covers emissions-related components that can trigger the Check Engine light. More information is at: epa.gov/obd/warranties.htm.

6. When the Check Engine light is on, one or more "trouble code(s)" are stored in the computer.

7. You can read and erase trouble codes using inexpensive code-reader tools from auto-parts stores; the tools are very easy to use.

8. The problems identified by the codes are frequently easy to fix (such as a loose gas cap), but some are complex, requiring professional diagnosis.

9. A trouble code indicates a circuit where the problem was identified, not necessarily the component itself. Diagnosis is often necessary.

10. The Haynes OBD-II Techbook (Book #10206) is your source for late-model code information. If you have a 1995 or earlier model, get Book #10205. Both books can be found in the Techbook section of this site.

 

 
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Automotive Repair Manuals
 
Pontiac Fiero Haynes Repair Manual for 1984 thru 1988
79008
Pontiac Fiero Haynes Repair Manual for 1984 thru 1988

Our Price: $24.95


Haynes Repair Manual for the Pontiac Fiero for 1984 thru 1988 has clear instructions and hundreds of photographs to help you perform anything from simple maintenance to basic repairs. Whether you're a beginner or a pro, you can save big with Haynes!


Complete coverage for your Pontiac Fiero for 1984 thru 1988:

--Routine Maintenance
--Tune-up procedures
--Engine repair
--Cooling and heating
--Air Conditioning
--Fuel and exhaust
--Emissions control
--Ignition
--Brakes
--Suspension and steering
--Electrical systems
--Wiring diagrams


Pontiac Fiero Haynes Repair Manual for 1984 thru 1988


Pontiac Firebird Haynes Repair Manual for 1970 thru 1981covering all models with V8 engines except turbo
79018
Pontiac Firebird Haynes Repair Manual for 1970 thru 1981covering all models with V8 engines except turbo

Our Price: $24.95


Haynes Repair Manual for the Pontiac Firebird for 1970 thru 1981covering all models with V8 engines except turbo has clear instructions and hundreds of photographs to help you perform anything from simple maintenance to basic repairs. Whether you're a beginner or a pro, you can save big with Haynes!


Complete coverage for your Pontiac Firebird for 1970 thru 1981covering all models with V8 engines except turbo:

--Routine Maintenance
--Tune-up procedures
--Engine repair
--Cooling and heating
--Air Conditioning
--Fuel and exhaust
--Emissions control
--Ignition
--Brakes
--Suspension and steering
--Electrical systems
--Wiring diagrams


Pontiac Firebird Haynes Repair Manual for 1970 thru 1981covering all models with V8 engines except turbo


Pontiac Firebird Haynes Repair Manual for 1982 thru 1992
79019
Pontiac Firebird Haynes Repair Manual for 1982 thru 1992

Our Price: $24.95


Haynes Repair Manual for the Pontiac Firebird for 1982 thru 1992 has clear instructions and hundreds of photographs to help you perform anything from simple maintenance to basic repairs. Whether you're a beginner or a pro, you can save big with Haynes!


Complete coverage for your Pontiac Firebird for 1982 thru 1992:

--Routine Maintenance
--Tune-up procedures
--Engine repair
--Cooling and heating
--Air Conditioning
--Fuel and exhaust
--Emissions control
--Ignition
--Brakes
--Suspension and steering
--Electrical systems
--Wiring diagrams


Pontiac Firebird Haynes Repair Manual for 1982 thru 1992


Pontiac Mid-sized Haynes Repair Manual for 1970 thru 1987 covering Bonneville (1982 thru 1986), Grand Am (1973 thru 1980), Grand Prix (1970 thru 1987), LeMans (1970 thru 1981and Tempest (1970) ( does not include diesel engine, High Output, Ram Air information or FWD models)
79040
Pontiac Mid-sized Haynes Repair Manual for 1970 thru 1987 covering Bonneville (1982 thru 1986), Grand Am (1973 thru 1980), Grand Prix (1970 thru 1987), LeMans (1970 thru 1981and Tempest (1970) ( does not include diesel engine, High Output, Ram Air information or FWD models)

Our Price: $24.95


Haynes Repair Manual for the Pontiac Mid-sized for 1970 thru 1987 covering Bonneville (1982 thru 1986), Grand Am (1973 thru 1980), Grand Prix (1970 thru 1987), LeMans (1970 thru 1981and Tempest (1970) ( does not include diesel engine, High Output, Ram Air information or FWD models) has clear instructions and hundreds of photographs to help you perform anything from simple maintenance to basic repairs. Whether you're a beginner or a pro, you can save big with Haynes!


Complete coverage for your Pontiac Mid-sized for 1970 thru 1987 covering Bonneville (1982 thru 1986), Grand Am (1973 thru 1980), Grand Prix (1970 thru 1987), LeMans (1970 thru 1981and Tempest (1970) ( does not include diesel engine, High Output, Ram Air information or FWD models):

--Routine Maintenance
--Tune-up procedures
--Engine repair
--Cooling and heating
--Air Conditioning
--Fuel and exhaust
--Emissions control
--Ignition
--Brakes
--Suspension and steering
--Electrical systems
--Wiring diagrams


Pontiac Mid-sized Haynes Repair Manual for 1970 thru 1987 covering Bonneville (1982 thru 1986), Grand Am (1973 thru 1980), Grand Prix (1970 thru 1987), LeMans (1970 thru 1981and Tempest (1970) ( does not include diesel engine, High Output, Ram Air information or FWD models)


Porsche 911 Haynes Repair Manual for 1965 thru 1989 covering all Coupe, Targa & Cabriolet models (except turbo)
80020
Porsche 911 Haynes Repair Manual for 1965 thru 1989 covering all Coupe, Targa & Cabriolet models (except turbo)

Our Price: $24.95


Haynes Repair Manual for the Porsche 911 for 1965 thru 1989 covering all Coupe, Targa & Cabriolet models (except turbo) has clear instructions and hundreds of photographs to help you perform anything from simple maintenance to basic repairs. Whether you're a beginner or a pro, you can save big with Haynes!


Complete coverage for your Porsche 911 for 1965 thru 1989 covering all Coupe, Targa & Cabriolet models (except turbo):

--Routine Maintenance
--Tune-up procedures
--Engine repair
--Cooling and heating
--Air Conditioning
--Fuel and exhaust
--Emissions control
--Ignition
--Brakes
--Suspension and steering
--Electrical systems
--Wiring diagrams


Porsche 911 Haynes Repair Manual for 1965 thru 1989 covering all Coupe, Targa & Cabriolet models (except turbo)


 
Automotive Repair Manuals
 
Porsche 914 4-cylinder Haynes Repair Manual for 1969 thru 1976
80025
Porsche 914 4-cylinder Haynes Repair Manual for 1969 thru 1976

Our Price: $24.95


Haynes Repair Manual for the Porsche 914 4-cylinder for 1969 thru 1976 has clear instructions and hundreds of photographs to help you perform anything from simple maintenance to basic repairs. Whether you're a beginner or a pro, you can save big with Haynes!


Complete coverage for your Porsche 914 4-cylinder for 1969 thru 1976:

--Routine Maintenance
--Tune-up procedures
--Engine repair
--Cooling and heating
--Air Conditioning
--Fuel and exhaust
--Emissions control
--Ignition
--Brakes
--Suspension and steering
--Electrical systems
--Wiring diagrams


Porsche 914 4-cylinder Haynes Repair Manual for 1969 thru 1976


Porsche 924 Haynes Repair Manual for 1976 thru 1982 covering all models including turbo
80030
Porsche 924 Haynes Repair Manual for 1976 thru 1982 covering all models including turbo

Our Price: $24.95


Haynes Repair Manual for the Porsche 924 for 1976 thru 1982 covering all models including turbo has clear instructions and hundreds of photographs to help you perform anything from simple maintenance to basic repairs. Whether you're a beginner or a pro, you can save big with Haynes!


Complete coverage for your Porsche 924 for 1976 thru 1982 covering all models including turbo:

--Routine Maintenance
--Tune-up procedures
--Engine repair
--Cooling and heating
--Air Conditioning
--Fuel and exhaust
--Emissions control
--Ignition
--Brakes
--Suspension and steering
--Electrical systems
--Wiring diagrams


Porsche 924 Haynes Repair Manual for 1976 thru 1982 covering all models including turbo


Porsche 944 Haynes Repair Manual for 1983 thru 1989 covering 4-cylinder engine including Turbo (does not include 944S model)
80035
Porsche 944 Haynes Repair Manual for 1983 thru 1989 covering 4-cylinder engine including Turbo (does not include 944S model)

Our Price: $24.95


Haynes Repair Manual for the Porsche 944 for 1983 thru 1989 covering 4-cylinder engine including Turbo (does not include 944S model) has clear instructions and hundreds of photographs to help you perform anything from simple maintenance to basic repairs. Whether you're a beginner or a pro, you can save big with Haynes!


Complete coverage for your Porsche 944 for 1983 thru 1989 covering 4-cylinder engine including Turbo (does not include 944S model):

--Routine Maintenance
--Tune-up procedures
--Engine repair
--Cooling and heating
--Air Conditioning
--Fuel and exhaust
--Emissions control
--Ignition
--Brakes
--Suspension and steering
--Electrical systems
--Wiring diagrams


Porsche 944 Haynes Repair Manual for 1983 thru 1989 covering 4-cylinder engine including Turbo (does not include 944S model)


SAAB 900 Haynes Repair Manual for 1979 thru 1988 covering Sedan and Turbo models
84010
SAAB 900 Haynes Repair Manual for 1979 thru 1988 covering Sedan and Turbo models

Our Price: $24.95


Haynes Repair Manual for the SAAB 900 for 1979 thru 1988 covering Sedan and Turbo models has clear instructions and hundreds of photographs to help you perform anything from simple maintenance to basic repairs. Whether you're a beginner or a pro, you can save big with Haynes!


Complete coverage for your SAAB 900 for 1979 thru 1988 covering Sedan and Turbo models:

--Routine Maintenance
--Tune-up procedures
--Engine repair
--Cooling and heating
--Air Conditioning
--Fuel and exhaust
--Emissions control
--Ignition
--Brakes
--Suspension and steering
--Electrical systems
--Wiring diagrams


SAAB 900 Haynes Repair Manual for 1979 thru 1988 covering Sedan and Turbo models


Saturn S-series Haynes Repair Manual covering all 1991 thru 2002 models of Saturn SL, SL1, SL2, SC, SC1, SC2, SW1 and SW2
87010
Saturn S-series Haynes Repair Manual covering all 1991 thru 2002 models of Saturn SL, SL1, SL2, SC, SC1, SC2, SW1 and SW2

Our Price: $24.95


Haynes Repair Manual for the Saturn S-series covering all 1991 thru 2002 models of Saturn SL, SL1, SL2, SC, SC1, SC2, SW1 and SW2 has clear instructions and hundreds of photographs to help you perform anything from simple maintenance to basic repairs. Whether you're a beginner or a pro, you can save big with Haynes!


Complete coverage for your 1991 thru 2002 Saturn S-series (SL, SL1, SL2, SC, SC1, SC2, SW1 or SW2):

--Routine Maintenance
--Tune-up procedures
--Engine repair
--Cooling and heating
--Air Conditioning
--Fuel and exhaust
--Emissions control
--Ignition
--Brakes
--Suspension and steering
--Electrical systems
--Wiring diagrams


Saturn S-series Haynes Repair Manual covering all 1991 thru 2002 models of Saturn SL, SL1, SL2, SC, SC1, SC2, SW1 and SW2




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