Capital City Diesel Inspections- El Dorado County

Clean Truck Check tester in Shingle Springs, CA (El Dorado County).

Capital City Diesel Inspections- El Dorado County appears on CARB's public list of credentialed Clean Truck Check testers. It lists mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. Mobile testing means the tester can come to your yard or job site.

Location
4060 Upper Lane, Shingle Springs, CA 95682
County
El Dorado County
Phone
(916) 538-7777
Mobile testing
Yes — comes to your yard
OBD testing
Yes
Smoke opacity (non-OBD)
Yes
Motorhomes
Yes
Credentialed testers
1
Last verified

Call (916) 538-7777 Open in Google Maps

Before you call

  • Have your VIN, odometer reading and plate number ready.
  • Your vehicle must be registered in CTC-VIS and the annual compliance fee paid; the tester submits the result to CARB.
  • Ask for the price per vehicle and any mobile trip fee. Typical published prices for an OBD test are $50–$135 per vehicle (see cost guide).

Which trucks Capital City Diesel Inspections- El Dorado County can test

The test CARB requires depends on the engine's fuel and model year. Based on the services Capital City Diesel Inspections- El Dorado County lists on CARB's tester list:

Your vehicleTest requiredThis tester
Diesel, model year 2013 or newerOBD scanYes
Alternative fuel (natural gas, propane), 2018 or newerOBD scanYes
Diesel, model year 2012 or older (no OBD)Smoke opacity test (SAE J1667) plus visual inspectionYes
California-registered motorhomeSame test as above by engine year, once a yearYes

Clean Truck Check testers in El Dorado County

Capital City Diesel Inspections- El Dorado County is one of 16 testing businesses in El Dorado County on CARB's public tester list. 16 of them offer mobile testing and 7 do smoke opacity tests. In Shingle Springs itself there are 3 listed businesses, 3 of them mobile. All testers in El Dorado County.

When your truck is due

Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the deadline guide. You can test up to 90 days before a deadline. Get a free email reminder before each one.

How to check a tester's credential

CARB publishes its Clean Truck Check tester list, where Capital City Diesel Inspections- El Dorado County appears as of November 1, 2026. Listing there is optional, so a missing name does not always mean a tester is not credentialed. After the test, check that the passing result shows for your vehicle in CTC-VIS; that is what counts for compliance.

Frequently asked questions

Does Capital City Diesel Inspections- El Dorado County offer mobile Clean Truck Check testing?

Yes. Capital City Diesel Inspections- El Dorado County says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call.

Can Capital City Diesel Inspections- El Dorado County test a 2012 or older diesel truck?

Yes. Capital City Diesel Inspections- El Dorado County lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See OBD vs smoke opacity.

How much does Capital City Diesel Inspections- El Dorado County charge for a Clean Truck Check?

Capital City Diesel Inspections- El Dorado County has not published prices with us; call (916) 538-7777 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the cost guide.

Is Capital City Diesel Inspections- El Dorado County a CARB-credentialed tester?

Capital City Diesel Inspections- El Dorado County appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS.

Other testers near Shingle Springs

Source: CARB's public Clean Truck Check tester list, last checked . Listing on CARB's list is optional for testers, so some credentialed testers are not shown. Services, hours and prices change; please confirm with the tester before you go. Something wrong? Send a correction.

Call (916) 538-7777