20 Most Recent 2008 Chevrolet Express - Page 5 Questions & Answers

MAF is ALWAYS in the air duct between the air filter and throttle body. Remove the clamps. Replace MAF. Reinstall air duct and clamps

Chevrolet... | Answered on Nov 18, 2017

Have someone open the gas tank door and listen for a zooming sound as you turn the key to the on position (NOT CRANKING POSITION), If no sound, check the fuel pump fuse relays in the fuse box in the vehicle and under the hood. Also check the connections at the gas tank and the ground strap at the gas tank.

Chevrolet... | Answered on Oct 27, 2017

Review this information, maybe I need two or more post to send you the Wiring Diagrams.

Good luck... and remember rated this help.

Exterior Lights

Fig. 1 Hazard, Turn and Stop Lamp Signals(c)

Fig. 2 Headlamp and Panel Dimmer Switch Signals and Park Lamp Relay Control(c)

Fig. 3 Park/Turn, Marker, Tail/Stop and Backup Lamps - Except Cutaway(c)

3c3ebd5.gifFig. 4 Stop and License Lamps(c)

Fig. 6 Trailer Wiring(c)

Fig. 7 Turn Signals(c)

Good luck!!!

Chevrolet... | Answered on Sep 14, 2017

Probably the crank shaft needs regrinding and oversized bearings fitted.

Chevrolet... | Answered on Aug 12, 2017

Follow the link to read about this code and what causes it. U0109 Lost Communication with Fuel Pump Control Module FPCM eval ez write...

Chevrolet... | Answered on Jul 15, 2017

Autozone.com has diagrams for this model: http://www.autozone.com/repairinfo/repairguide/repairGuideContent.jsp?pageId=0900c1528004d7c3

Chevrolet... | Answered on Jun 18, 2017

Sounds like a fuel pump..I believe it is located in the gas tank,,,not hard to replace if you have good mechanical skills and some time!

Chevrolet... | Answered on Jun 07, 2017

When you say charging,do you mean amp reading or volt reading?Amps should rise when first started then drop.Volts should stay close to constant.The small wire going to the alternator to power the regulator in the alternator is just switched power.If the volts fall under 14 after ten minutes you may need to try a replacement alternator.

Chevrolet... | Answered on Apr 29, 2017

Hello Wilber,

My power distribution schematic shows two 02 sensors.

Under Hood Fuse Block -

02 SNSR A - Fuse 40 15 Amp
02 SNSR B - Fuse 39 15 Amp

There are only two and always located on the exhaust system.

Chevrolet... | Answered on Apr 19, 2017

Audio Item Wire Color Polarity Wire Location Radio 12V red/white + radio, black 14 pin plug, pin 1 Radio Ground black/white - radio, black 14 pin plug, pin 8 Radio Ignition (low speed GMLAN) Radio Illumination yellow (dimmer) + radio, black 14 pin plug, pin 7 Left Front Speaker (+/-) dk. blue - lt. blue +,- radio, black 14 pin plug, pins 2 - 9 Right Front Speaker (+/-) orange - dk. green +,- radio, black 14 pin plug, pins 3 - 10 Left Rear Speaker (+/-) tan - white +,- radio, purple 16 pin plug, pins 5 - 13 Right Rear Speaker (+/-) tan - orange +,- radio, purple 16 pin plug, pins 6 - 14 Satellite Radio 12 Volts red/white + Digital Radio under driv dash, 16 pin plug, pin 16 Satellite Radio Ground black/white - Digital Radio under driv dash, 16 pin plug, pin 9 Satellite Radio Ignition (low speed GMLAN) Satellite Radio Antenna (coaxial cable) Satellite Audio Left (+/-) brown/white - tan/white +,- Digital Radio, 16 pin plug, pins 2 and 1 Satellite Audio Right (+/-) dk. green/white - gray +,- Digital Radio, 16 pin plug, pins 3 and 4 2016 Chevrolet Express Van Wiring

Chevrolet... | Answered on Feb 16, 2017

Fuse # 13 25amp , location , fuse box I/P

Chevrolet... | Answered on Feb 04, 2017

It's on the return fuel line at the end of the fuel rail. My info says, you have to remove upper intake manifold to get at it. If you have new fuel pressure regulator, you know what it looks like, correct? I couldn't find a good picture. You can look at an online partsbook for that component, rockauto.com usually has a picture.

Make sure no fuel pressure on system before you take anything loose.

Chevrolet... | Answered on Sep 25, 2016

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