2001 MODEL COVERAGE

MODEL

BODY CODE ⁽¹⁾

ENGINE ⁽²⁾

ENGINE ID

FUEL SYSTEM

IGNITION SYSTEM

Astro & Safari

L, M

4.3L (L35)

CSFI

Magnetic ⁽³⁾

Aztek

A, B

3.4L (LA1)

SFI

DIS Magnetic

Blazer, Bravada & Jimmy

S, T

4.3L (L35)

CSFI

Magnetic ⁽³⁾

Cab & Chassis

C, K

6.5L (L65)

Turbo Diesel

N/A

.....

8.1L (L18)

SFI

DIS Magnetic

Chevy Express & Savana

4.3L (L35)

CSFI

Magnetic ⁽³⁾

.....

5.0L (L30)

CSFI

Magnetic ⁽³⁾

.....

5.7L (L31)

CSFI

Magnetic ⁽³⁾

.....

6.5L (L65)

Turbo Diesel

N/A

.....

8.1L (L18)

SFI

DIS Magnetic

Cutaway

5.7L (L31)

CSFI

Magnetic ⁽³⁾

.....

6.5L (L65)

Turbo Diesel

N/A

.....

8.1L (L18)

SFI

DIS Magnetic

Montana, Silhouette & Venture

3.4L (LA1)

SFI

DIS Magnetic

RV Cutaway

5.7L (L31)

CSFI

Magnetic ⁽³⁾

.....

6.5L (L65)

Turbo Diesel

N/A

.....

8.1L (L18)

SFI

DIS Magnetic

Sierra & Silverado

C, K

4.3L (L35)

CSFI

Magnetic ⁽³⁾

.....

4.8L (LR4)

SFI

DIS Magnetic

.....

5.3L (LM7)

SFI

DIS Magnetic

.....

6.0L (LQ4)

SFI

DIS Magnetic

.....

6.6L (LB7)

Turbo Diesel

N/A

.....

8.1L (L18)

SFI

DIS Magnetic

Sonoma & S10 Pickup

S, T

2.2L (LN2)

SFI

DIS Magnetic

.....

2.2L (L43)

SFI ⁽⁴⁾

DIS Magnetic

.....

4.3L (L35)

CSFI

Magnetic ⁽³⁾

Suburban

C, K

5.3L (LM7)

SFI

DIS Magnetic

.....

6.0L (LQ4)

SFI

DIS Magnetic

.....

8.1L (L18)

SFI

DIS Magnetic

Tahoe

C, K

4.8L (LR4)

SFI

DIS Magnetic

.....

5.3L (LM7)

SFI

DIS Magnetic

Tracker

E, J

2.0L (L34)

MPI

DIS Magnetic

.....

2.5L (LE8)

SFI

DIS Magnetic

Yukon

C, K

4.8L (LR4)

SFI

DIS Magnetic

.....

5.3L (LM7)

SFI

DIS Magnetic

.....

6.0L (LQ4)

SFI

DIS Magnetic

Yukon XL

C, K

5.3L (LM7)

SFI

DIS Magnetic

.....

6.0L (LQ4)

SFI

DIS Magnetic

.....

8.1L (L18)

SFI

DIS Magnetic

⁽¹⁾	Series designation.

⁽²⁾	Engine code is stamped on engine block. See ENGINE CODE LOCATION .

⁽³⁾	Uses Enhanced Electronic Ignition, utilizing a camshaft and crankshaft position sensor.

⁽⁴⁾	Dual fuel vehicle.

Fig 1: VIN Character Position & Definition

Courtesy of GENERAL MOTORS CORP.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Engine/VIN Breakdown: Notes

Use the Manual With the Right Hardware

When to See a Mechanic

Rather have a pro handle this?