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Haynes Used Car Buying Guide
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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 drving 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 faulty component. 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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21030
Cadillac Rear-wheel drive gasoline engine Haynes Repair Manual for 1970 thru 1993 covering DeVille/Coupe/Sedan DeVille (’70 thru ’85), Brougham (’70 thru ’93) and Seville (‘75 thru ’79)
Our Price: $24.95
With a Haynes manual, you can do it yourself…from simple maintenance to basic repairs. Haynes writes every book based on a complete teardown of the vehicle. We learn the best ways to do a job and that makes it quicker, easier and cheaper for you. Our books have clear instructions and plenty of photographs that show each step. Whether you’re a beginner or a pro, you can save big with Haynes!
--Step-by-step procedures
--Easy-to-follow photos
--Complete troubleshooting section
--Valuable short cuts
--Color spark plug diagnosis
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38015
General Motors Haynes Repair Manual covering FWD models of the Buick Skyhawk, Cadillac Cimarron, Chevrolet Cavalier, Oldsmobile Firenza, Pontiac J2000 and Sunbird for 1982 thru 1994
Our Price: $24.95
With a Haynes manual, you can do it yourself…from simple maintenance to basic repairs. Haynes writes every book based on a complete teardown of the vehicle. We learn the best ways to do a job and that makes it quicker, easier and cheaper for you. Our books have clear instructions and plenty of photographs that show each step. Whether you’re a beginner or a pro, you can save big with Haynes!
--Step-by-step procedures
--Easy-to-follow photos
--Complete troubleshooting section
--Valuable short cuts
--Color spark plug diagnosis
...
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38030
General Motors Haynes Repair Manual covering Cadillac Eldorado (1971 thru 1985), Cadillac Seville (1980 thru 1985), Oldsmobile Toronado (1971 thru 1985), and Buick Riviera (1979 thru 1985) all with gasoline engines
Our Price: $24.95
With a Haynes manual, you can do it yourself…from simple maintenance to basic repairs. Haynes writes every book based on a complete teardown of the vehicle. We learn the best ways to do a job and that makes it quicker, easier and cheaper for you. Our books have clear instructions and plenty of photographs that show each step. Whether you’re a beginner or a pro, you can save big with Haynes!
--Step-by-step procedures
--Easy-to-follow photos
--Complete troubleshooting section
--Valuable short cuts
--Color spark plug diagnosis
...
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38031
General Motors Haynes Repair Manual covering Cadillac Eldorado & Seville (1986 thru 1991), Cadillac Deville FWD (1986 thru 1993), Cadillac Fleetwood FWD (1986 thru 1992), Oldsmobile Toronado (1986 thru 1992), and Buick Riviera (1986 thru 1993)
Our Price: $24.95
With a Haynes manual, you can do it yourself…from simple maintenance to basic repairs. Haynes writes every book based on a complete teardown of the vehicle. We learn the best ways to do a job and that makes it quicker, easier and cheaper for you. Our books have clear instructions and plenty of photographs that show each step. Whether you’re a beginner or a pro, you can save big with Haynes!
--Step-by-step procedures
--Easy-to-follow photos
--Complete troubleshooting section
--Valuable short cuts
--Color spark plug diagnosis
...
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38032
Cadillac Haynes Repair Manual for DeVille (1994 thru 2005) and Seville (1992 thru 2004)
Our Price: $24.95
With a Haynes manual, you can do it yourself…from simple maintenance to basic repairs. Haynes writes every book based on a complete teardown of the vehicle. We learn the best ways to do a job and that makes it quicker, easier and cheaper for you. Our books have clear instructions and plenty of photographs that show each step. Whether you’re a beginner or a pro, you can save big with Haynes!
--Step-by-step procedures
--Easy-to-follow photos
--Complete troubleshooting section
--Valuable short cuts
--Color spark plug diagnosis
...
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