Your initial step ought to always be to review what you'll want on your checklist. Make a list of all the many things you want from a car, as well as all the many things it has to do. A soccer mother might need extra seating for carpooling and bunches of room for sports equipment, while a bachelor or bachelorette might delight in a smaller sportscar for zipping around town and quickly car parking in tight spaces.

Additionally, consider gas mileage. If you have a long work commute, a gas-guzzling SUV might not be the very best choice for you. You'll also wish to consider how long you'll keep your new ride, because that will identify if its resale value is an issue. As you discover your needs, make sure to write them down.

While your budget is essential, so is your credit rating. If you intend on getting a loan when you start going to used vehicle dealers, your credit history will contribute in what you can afford. If your credit rating excels, the bank might be prepared to deal with you to lower your rate of interest. If your credit rating is bad, the APR might be higher. Many of the larger used vehicle dealers work hand-in-hand with banks to ensure they can assist people, despite their credit history, in obtaining the very best possible loan rate and payment plan. Certainly, you might independently obtain your own financing before making an offer on a vehicle. The choice is yours.

Jdm Mitsubishi 6g72 Twin Turbo Engine 3000gt Vr4 Gto Stealth Longblock 90-92
Jdm Mitsubishi 6g72 Twin Turbo Engine 3000gt Vr4 Gto Stealth Longblock 90-92
1,799.99
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91-93 Mitsubishi 3000gt 3.0l Na Engine Auto Trans Ecu Free Shipping Jdm 6g72
91-93 Mitsubishi 3000gt 3.0l Na Engine Auto Trans Ecu Free Shipping Jdm 6g72
1,499.00
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Mitsubishi 3000gt Vr4 Dodge Stealth Tt Twin Turbo Engine Long Block 75k Miles
Mitsubishi 3000gt Vr4 Dodge Stealth Tt Twin Turbo Engine Long Block 75k Miles
3,799.99
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Jdm Mitsubishi 3000gt 6g72 Twin Turbo Engine 5 Speed Awd Transmission 6g72-tt
Jdm Mitsubishi 3000gt 6g72 Twin Turbo Engine 5 Speed Awd Transmission 6g72-tt
2,799.00
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Jdm 6g72 94-97 Mitsubishi Gto 3000gt 3.0l V6 Engine Stealth Awd Manual Trans
Jdm 6g72 94-97 Mitsubishi Gto 3000gt 3.0l V6 Engine Stealth Awd Manual Trans
1,749.00
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90-93 Jdm Mitsubishi 3000gt Dodge Stealth 6g72 3.0l V6 Engine Na Auto Awd Trans
90-93 Jdm Mitsubishi 3000gt Dodge Stealth 6g72 3.0l V6 Engine Na Auto Awd Trans
1,445.00
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1990-1992 Mitsubishi 3000gt 6g72 Engine Dodge Stealth 3.0l V6 Engine Auto Trans
1990-1992 Mitsubishi 3000gt 6g72 Engine Dodge Stealth 3.0l V6 Engine Auto Trans
1,599.00
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Mitsubishi 3000gt Vr4 Stealth 4 Bolt Engine Block Twin Turbo
Mitsubishi 3000gt Vr4 Stealth 4 Bolt Engine Block Twin Turbo
1,000.00
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93 94 95 96 97 98 99 Mitsubishi 3000gt Dodge Stelth 3.0 Engine Non Turbo Vin J
93 94 95 96 97 98 99 Mitsubishi 3000gt Dodge Stelth 3.0 Engine Non Turbo Vin J
1,300.00
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Mitsubishi 3000gt Engine 3.0l V6 Non Turbo 6g72 5 Spd Mt Awd 4x4 Trans 90-93
Mitsubishi 3000gt Engine 3.0l V6 Non Turbo 6g72 5 Spd Mt Awd 4x4 Trans 90-93
1,599.99
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Jdm 1990 1992 Mitsubishi 3000gt Na Engine Automatic Awd Trans Jdm 6g72
Jdm 1990 1992 Mitsubishi 3000gt Na Engine Automatic Awd Trans Jdm 6g72
1,499.99
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Rebuilt 93-99 Mitsubishi 3000gt V6 3.0l Dohc 6g72 Engine Non Turbo Type
Rebuilt 93-99 Mitsubishi 3000gt V6 3.0l Dohc 6g72 Engine Non Turbo Type
2,700.00
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Complete Engine Assembly Mitsubishi 3000gt Non Turbo Or Diamante Sohc
Complete Engine Assembly Mitsubishi 3000gt Non Turbo Or Diamante Sohc
995.00
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Jdm 90-93 Mitsubishi 3000gt Twin Turbo Engine 5 Speed Getrag Awd Trans Jdm 6g72
Jdm 90-93 Mitsubishi 3000gt Twin Turbo Engine 5 Speed Getrag Awd Trans Jdm 6g72
3,295.00
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Jdm 90-93 Mitsubishi 3000gt Twin Turbo Engine 5 Speed Getrag Awd Trans Jdm 6g72
Jdm 90-93 Mitsubishi 3000gt Twin Turbo Engine 5 Speed Getrag Awd Trans Jdm 6g72
3,395.00
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3000gt Gto Jdm 6g72 Engine 6g72 Stealth Engine 6g72 Mivec Gto 6g72 Dohc Engine
3000gt Gto Jdm 6g72 Engine 6g72 Stealth Engine 6g72 Mivec Gto 6g72 Dohc Engine
999.00
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Pre-owned Mitsubishi 3000gt Engine Non Turbo 8th Digit Is H
Pre-owned Mitsubishi 3000gt Engine Non Turbo 8th Digit Is H
475.00
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Mitsubishi 6g72t 3.0l Turbo Dohc New Engine 3000 Gt Vr4 4 Bolt 1993-1999
Mitsubishi 6g72t 3.0l Turbo Dohc New Engine 3000 Gt Vr4 4 Bolt 1993-1999
2,995.00
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Sohc Mitsubishi Montero 6g72 3.0l Manufactured Engine 3000 Gt Dodge Stealth
Sohc Mitsubishi Montero 6g72 3.0l Manufactured Engine 3000 Gt Dodge Stealth
1,890.00
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Mitsubishi 6g72t 3.0l Turbo Dohc 0 Miles Engine 3000 Gt Dodge Stealth 1991-1992
Mitsubishi 6g72t 3.0l Turbo Dohc 0 Miles Engine 3000 Gt Dodge Stealth 1991-1992
3,850.00
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Mitsubishi 6g72t 3.0l Turbo Dohc New Engine 3000gt Dodge Stealth 1991-1992
Mitsubishi 6g72t 3.0l Turbo Dohc New Engine 3000gt Dodge Stealth 1991-1992
2,995.00
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Engine 1997-1999 97-99 Mitsubishi 3000gt 3.0l 6cyl Motor Non-turbo 177k
Engine 1997-1999 97-99 Mitsubishi 3000gt 3.0l 6cyl Motor Non-turbo 177k
718.63
View Details
Mitsubishi 6g72 3.0 Non Turbo Montero 0 Miles Engine 3000 Gt Dodge Stealth 91-99
Mitsubishi 6g72 3.0 Non Turbo Montero 0 Miles Engine 3000 Gt Dodge Stealth 91-99
2,350.00
View Details
Engine Trans. Mount 4pcs Set 1991-1999 Mitsubishi 3000gt 2wd Dodge Stealth
Engine Trans. Mount 4pcs Set 1991-1999 Mitsubishi 3000gt 2wd Dodge Stealth
149.99
View Details
1991-92 Mitsubishi 3000gt Dodge Stealth Engine Computer Md153354 Ecu Ecm Pcm
1991-92 Mitsubishi 3000gt Dodge Stealth Engine Computer Md153354 Ecu Ecm Pcm
119.95
View Details
1991-1992 Mitsubishi 3000gt Stealth Dohc Non Turbo Both Engine Cylinder Heads
1991-1992 Mitsubishi 3000gt Stealth Dohc Non Turbo Both Engine Cylinder Heads
249.99
View Details
1993 Mitsubishi 3000gt Vr4 Stealth Twin Turbo Engine Ecu Md190663 Tested
1993 Mitsubishi 3000gt Vr4 Stealth Twin Turbo Engine Ecu Md190663 Tested
499.99
View Details
Mitsubishi 3000gt Gto Galant 6g72 Engine Billet Oil Cap
Mitsubishi 3000gt Gto Galant 6g72 Engine Billet Oil Cap
12.99
View Details
91-99 Dodge Stealth Mitsubishi 3000gt Ecu Pcm Engine Computer Repair Return
91-99 Dodge Stealth Mitsubishi 3000gt Ecu Pcm Engine Computer Repair Return
117.00
View Details
Mitsubishi 3000gt Stealth Engine 94 Harness Turbo Manual 2nd Gen
Mitsubishi 3000gt Stealth Engine 94 Harness Turbo Manual 2nd Gen
550.00
View Details
Mitsubishi 3000gt Stealth Vr4 2 Bolt Block Engine Twin Turbo
Mitsubishi 3000gt Stealth Vr4 2 Bolt Block Engine Twin Turbo
450.00
View Details
Aem Ems Mitsubishi 3000gt Vr4 Twin Turbo Standalone Engine Management System
Aem Ems Mitsubishi 3000gt Vr4 Twin Turbo Standalone Engine Management System
1,820.30
View Details
Jdm 3000gt Stealth Gto V6 3.0l 6g72 Mitsubishi Non-turbo Engine Swap For Sale
Jdm 3000gt Stealth Gto V6 3.0l 6g72 Mitsubishi Non-turbo Engine Swap For Sale
1,650.00
View Details
1992-1993 Mitsubishi 3000gt Stealth Dohc Non Turbo Engine Ecu Md190662
1992-1993 Mitsubishi 3000gt Stealth Dohc Non Turbo Engine Ecu Md190662
139.99
View Details
Mitsubishi 3000gt 95 Atx Non Turbo Engine Harness Dohc
Mitsubishi 3000gt 95 Atx Non Turbo Engine Harness Dohc
350.00
View Details
New Engine Knock Detonation Sensor Fit Mitsubishi 3000gt Galant Eclipse Md159216
New Engine Knock Detonation Sensor Fit Mitsubishi 3000gt Galant Eclipse Md159216
16.99
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93 Mitsubishi 3000gt Manual Mtx Non Turbo Engine Harness Dohc
93 Mitsubishi 3000gt Manual Mtx Non Turbo Engine Harness Dohc
299.99
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Black Billet Cnc Racing Engine Oil Filler Cap Mitsubishi 3000gt Gto 6g72
Black Billet Cnc Racing Engine Oil Filler Cap Mitsubishi 3000gt Gto 6g72
24.95
View Details
Mitsubishi 3000gt 98 Atx Non Turbo Engine Harness Dohc
Mitsubishi 3000gt 98 Atx Non Turbo Engine Harness Dohc
300.00
View Details
Brand New Front Engine Motor Mount For Dodge Stealth Mitsubishi 3000gt
Brand New Front Engine Motor Mount For Dodge Stealth Mitsubishi 3000gt
24.34
View Details
Mitsubishi 3000gt Stealth Engine Harness 91-92 With Cam Sensor Turbo
Mitsubishi 3000gt Stealth Engine Harness 91-92 With Cam Sensor Turbo
300.00
View Details
1997-99 Mitsubishi 3000gt Sohc Engine Harmonic Balancer Crankshaft Pulley W Bolt
1997-99 Mitsubishi 3000gt Sohc Engine Harmonic Balancer Crankshaft Pulley W Bolt
79.99
View Details
Mitsubishi 3000gt Twin Turbo 6g72 Engine Billet Oil Cap
Mitsubishi 3000gt Twin Turbo 6g72 Engine Billet Oil Cap
12.95
View Details
1992 Mitsubishi 3000gt Twin Turbo Engine To Body Ground Strap
1992 Mitsubishi 3000gt Twin Turbo Engine To Body Ground Strap
6.99
View Details
3000gt  1992 Engine Mounts 182806
3000gt 1992 Engine Mounts 182806
84.00
View Details
Mitsubishi 3000gt Transmission Engine Stay Bracket Front
Mitsubishi 3000gt Transmission Engine Stay Bracket Front
17.99
View Details
Aem 91-97 Mitsubishi 3000gt 92-97 Dodge Stealth Rt Series Ii Ems System 30-6311
Aem 91-97 Mitsubishi 3000gt 92-97 Dodge Stealth Rt Series Ii Ems System 30-6311
1,820.30
View Details
97-99 3000gt Oem Front Motor Engine Transmission Mount Bracket At Dohc
97-99 3000gt Oem Front Motor Engine Transmission Mount Bracket At Dohc
16.72
View Details
95 Mitsubishi 3000gt Engine Block
95 Mitsubishi 3000gt Engine Block
350.00
View Details
1999 Mitsubishi 3000gt Engine Motor Spacer Plate
1999 Mitsubishi 3000gt Engine Motor Spacer Plate
24.95
View Details
1994-1997 Mitsubishi 3000gt Engine Fuse Box Cover Oem
1994-1997 Mitsubishi 3000gt Engine Fuse Box Cover Oem
24.30
View Details
Mitsubishi 3000gt Transmission Engine Stay Bracket Rear
Mitsubishi 3000gt Transmission Engine Stay Bracket Rear
17.99
View Details
3000gt  1993 Engine Wire Harness 177919 Mb903686
3000gt 1993 Engine Wire Harness 177919 Mb903686
179.00
View Details
90-94 3000gt Oem Engine Motor Knock Sensor E1t15571
90-94 3000gt Oem Engine Motor Knock Sensor E1t15571
60.00
View Details
3000gt  1992 Engine Mounts 183675
3000gt 1992 Engine Mounts 183675
50.00
View Details
Jdm 6g72 Mitsubishi Gto 3000gt 3.0l V6 Engine Stealth Awd Manual Trans
Jdm 6g72 Mitsubishi Gto 3000gt 3.0l V6 Engine Stealth Awd Manual Trans
1,599.00
View Details
1997 Mitsubishi 3000gt Dodge Stealth Engine Control Computer Ecu Ecm Md339760
1997 Mitsubishi 3000gt Dodge Stealth Engine Control Computer Ecu Ecm Md339760
49.00
View Details
Mitsubishi 3000gt Stealth Vr4 Turbo Mirror Polished Stainless Engine Covers Kit
Mitsubishi 3000gt Stealth Vr4 Turbo Mirror Polished Stainless Engine Covers Kit
175.00
View Details
91-99 Mitsubishi 3000gt 6g72 Dohc Engine Gates Blue Racing Timing Belt Upgrade
91-99 Mitsubishi 3000gt 6g72 Dohc Engine Gates Blue Racing Timing Belt Upgrade
158.88
View Details
Mitsubishi 3000gt Engine Bay Fuse Box Cover
Mitsubishi 3000gt Engine Bay Fuse Box Cover
14.99
View Details
1994-1997 Mitsubishi 3000gt None Turbo Engine Oil Dipstick Oem
1994-1997 Mitsubishi 3000gt None Turbo Engine Oil Dipstick Oem
26.99
View Details
1994-1997 Mitsubishi 3000gt None Turbo Engine Air Vacuum Line Hard Pipe Oem
1994-1997 Mitsubishi 3000gt None Turbo Engine Air Vacuum Line Hard Pipe Oem
31.50
View Details
1993 Mitsubishi 3000gt 6g72 Dohc Non-turbo Engine Trans Shim Motor Spacer Plate
1993 Mitsubishi 3000gt 6g72 Dohc Non-turbo Engine Trans Shim Motor Spacer Plate
29.95
View Details
1994-1997 Mitsubishi 3000gt Engine Fuse Box Mounting Bracket Oem
1994-1997 Mitsubishi 3000gt Engine Fuse Box Mounting Bracket Oem
18.00
View Details
1994 3000gt Engine Wire Harness 3.0 Liter Dohc California Automatic
1994 3000gt Engine Wire Harness 3.0 Liter Dohc California Automatic
235.00
View Details
Mitsubishi Oem 91-92 3000gt-ecm Pcm Ecu Engine Control Module Computer Md159963
Mitsubishi Oem 91-92 3000gt-ecm Pcm Ecu Engine Control Module Computer Md159963
1,795.09
View Details
97 1998 1999 3000gt Non Turbo Automatic Engine Motor Mount Bracket Support Oem
97 1998 1999 3000gt Non Turbo Automatic Engine Motor Mount Bracket Support Oem
48.88
View Details
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Hella 46152yd 1995
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Hella 46152yd 1995
25.98
View Details
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Hella 29118gt 1995
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Hella 29118gt 1995
26.01
View Details
Engine Oil Cap Fit Mitsubishi Lancer Evo 8 9 3000gt 3000gt Galant Outlander
Engine Oil Cap Fit Mitsubishi Lancer Evo 8 9 3000gt 3000gt Galant Outlander
16.99
View Details
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 81697bz
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 81697bz
17.95
View Details
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 48127qx
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 48127qx
17.95
View Details
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 27935jn
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 27935jn
17.95
View Details
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 17131rd
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 17131rd
17.95
View Details
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 14235qn
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 14235qn
17.95
View Details
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 64365qh
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 64365qh
17.95
View Details
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 13284ny
For 1994-1999 Mitsubishi 3000gt Engine Compartment Light Bulb Dorman 13284ny
17.95
View Details
90-99 3000gt Vr4 Stealth 3.0l Twin Turbo Engine Cylinder Block Piston Rod 6g72tt
90-99 3000gt Vr4 Stealth 3.0l Twin Turbo Engine Cylinder Block Piston Rod 6g72tt
600.00
View Details
Overhaul Engine Rebuild Kit Fit 93-99 Mitsubishi 3000gt Dodge Stealth 3.0l 6g72
Overhaul Engine Rebuild Kit Fit 93-99 Mitsubishi 3000gt Dodge Stealth 3.0l 6g72
725.00
View Details
Engine Rebuild Kit Fit 93-99 Mitsubishi 3000gt Dodge Stealth 3.0l 6g72
Engine Rebuild Kit Fit 93-99 Mitsubishi 3000gt Dodge Stealth 3.0l 6g72
814.95
View Details
91-99 Mitsubishi 3000gt Dodge Stealth 3.0l V6 Engine Cylinder Block 6g72
91-99 Mitsubishi 3000gt Dodge Stealth 3.0l V6 Engine Cylinder Block 6g72
350.00
View Details
Mitsubishi Oem 91-99 3000gt Engine-air Cleaner Filter Element Mz690194
Mitsubishi Oem 91-99 3000gt Engine-air Cleaner Filter Element Mz690194
21.91
View Details
Mitsubishi Oem 91-99 3000gt-engine Full Gasket Set Md997670
Mitsubishi Oem 91-99 3000gt-engine Full Gasket Set Md997670
497.73
View Details
Engine Rebuild Kit Fit 93-99 Dodge Stealth Mitsubishi 3000gt Turbo 3.0l 6g72t
Engine Rebuild Kit Fit 93-99 Dodge Stealth Mitsubishi 3000gt Turbo 3.0l 6g72t
749.00
View Details
Overhaul Engine Rebuild Kit Fit 93-99 Dodge Stealth Mitsubishi 3000gt Turbo 3.0l
Overhaul Engine Rebuild Kit Fit 93-99 Dodge Stealth Mitsubishi 3000gt Turbo 3.0l
799.00
View Details
For Mitsubishi 3000gt 1992-1999 Replace 227j Remanufactured Long Block Engine
For Mitsubishi 3000gt 1992-1999 Replace 227j Remanufactured Long Block Engine
3,516.90
View Details
93-99 Fits Dodge Stealth Mitsubishi 3000gt 3.0 Dohc Engine Master Rebuild Kit
93-99 Fits Dodge Stealth Mitsubishi 3000gt 3.0 Dohc Engine Master Rebuild Kit
549.99
View Details
1993 Mitsubishi 3000gt Oem Factory 6g72 Front Cylinder Head Engine Motor
1993 Mitsubishi 3000gt Oem Factory 6g72 Front Cylinder Head Engine Motor
164.95
View Details
Programmed Mitsubishi 3000gt Dodge Stealth Vr4 Engine Computer Ecm Ecu Md192588
Programmed Mitsubishi 3000gt Dodge Stealth Vr4 Engine Computer Ecm Ecu Md192588
400.19
View Details
Engine Timing Belt Tensioner Hydraulic Assembly For 91-96 Mitsubishi 3000gt 3.0l
Engine Timing Belt Tensioner Hydraulic Assembly For 91-96 Mitsubishi 3000gt 3.0l
33.88
View Details
1994-1997 Mitsubishi 3000gt Dohc At Md319638 Ecm Ecu Engine Computer Oem
1994-1997 Mitsubishi 3000gt Dohc At Md319638 Ecm Ecu Engine Computer Oem
89.10
View Details
Lot Of New Mitsubishi 3000gt 3.0l Engine And Tramsmission Parts.
Lot Of New Mitsubishi 3000gt 3.0l Engine And Tramsmission Parts.
99.00
View Details
8r1104 2pc Motor Mounts Fit 1991 - 1999 Mitsubishi Gto 3000gt Engine Trans Mount
8r1104 2pc Motor Mounts Fit 1991 - 1999 Mitsubishi Gto 3000gt Engine Trans Mount
928.89
View Details
Programmed Mitsubishi 3000gt Dodge Stealth Awd Engine Computer Ecm Ecu Md188205
Programmed Mitsubishi 3000gt Dodge Stealth Awd Engine Computer Ecm Ecu Md188205
495.19
View Details
Dnj Ek126 Engine Rebuild Kit For 91-99 Dodge Mitsubishi 3000gt 3.0l V6 Dohc 24v
Dnj Ek126 Engine Rebuild Kit For 91-99 Dodge Mitsubishi 3000gt 3.0l V6 Dohc 24v
999.99
View Details
94-97 Mitsubishi 3000gt Na Oem Engine Vacuum Solenoid Valve Mounting Bracket
94-97 Mitsubishi 3000gt Na Oem Engine Vacuum Solenoid Valve Mounting Bracket
35.00
View Details
Genuine Mitsubishi Ignition Coil Pack 3000gt Dodge Stealth Turbo Dohc Engines
Genuine Mitsubishi Ignition Coil Pack 3000gt Dodge Stealth Turbo Dohc Engines
178.00
View Details
Innovative Replacement Steel Engine Motor Mounts 60a 91-99 Mitsubishi 3000gt
Innovative Replacement Steel Engine Motor Mounts 60a 91-99 Mitsubishi 3000gt
359.99
View Details
1993 Mitsubishi 3000gt Vr4 Stealth Twin Turbo Engine Wiring Harness
1993 Mitsubishi 3000gt Vr4 Stealth Twin Turbo Engine Wiring Harness
249.99
View Details

Next, check the car history on a site like Carfax.com. If the car checks out, schedule a test drive of the vehicle, and try to test it on roads like the ones you would generally experience during your day-to-day regimen. Ask any type of pre-owned vehicle dealers you go to for records. After considering all the aspects of the vehicle and whether it fits your budget, make an offer to a trusted salesperson.

While negotiating, feel totally free to take time to consider counter-offers, use the restroom, or eat a meal. There ought to be no rush when making this decision, and the salesperson ought to help you feel at convenience.

Practically every modern engine in vehicles and light industrial cars features an electronic control unit (or ECU for short), alternatively referred to as an engine management computer. This specialised and complex unit includes a number of computer chips and basically governs the running of the engine. It is linked to various sensors that sense basic factors such as temperature (both in the engine and externally), speed and exhaust gas composition. In more sophisticated units, that are ending up being increasingly common, numerous other conditions are taken note of. The ECU then manages various engine functions, mainly fuel injection, ignition timing and boost pressure if a turbocharger is fitted. The objective is certainly to guarantee smooth running, optimal fuel consumption and performance, and minimal exhaust gas emissions.