Does a 2007 ION -2 have a timing belt or chain?

How to Add Refrigerant to 2003 2007 Saturn Ion 1 2003 Saturn Ion 1 2 2L 4...

With spark and fuel both OK I'd have to suspect the timing. Has the timing belt or chain been disturbed for any reason? A worn belt can skip a tooth or 2.
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Here's a video on your fuses. Interior Fuse Box Location 2003 2007 Saturn Ion 1 2003 Saturn Ion 1 2 2L 4...

INSIDE BY THE GAS PEDAL to the right behind the trim panel

These videos shoild help.
Bob
Chrysler Mastertech 1997 Introduction to 2 7L 3 2L 3 5L V6 engines Part 2
Chrysler Mastertech 1997 Introduction to 2 7L 3 2L 3 5L V6 engines Part 3

A timing chain.

If you are talking about a timing chain I think the answer could be no. I have a 2003 Spider 2L JTS which is the same engine as the 2003 156. Before that they had the 2L Twinspark and both have timing belts which need to be replace regularly along with the pulleys and idlers. Much earlier twinspark engines have a timing chain. Have a look at www.Alfa 156.net. Cheers. Brian.

this car is not equipped with a timing belt, it utilizes a timing chain with an automatic hydraulic tensioner. no replacement interval! keep up on your oil changes and the chain should have a very long life!

It is a chain but I don't the have the info on when it should be replaced. You should be able to call the dealership and ask that question.....or even any garage.

2005 Ford Focus L4-2.0L VIN N Hello your vehicle has a timing chain, you do not have to replace it ever... It was designed to last the life of the vehicle, unless you have a water pump, or a timing pulley or even a timing tensioner go bad, that is when you would service the timing chain. I added what your vehicle needs at it's 90,000mile service below, hope this helps... (subytech1)

Inspect Ball Joint
Brakes and Traction Control
Inspect brake pads, shoes, rotors, drums, brake lines & hoses, and parking brake system. Cooling System
Inspect cooling system and hoses. Exhaust System
Fluid - A/T (Except 4F50N & 4F27E)
Inspect automatic transmission fluid level on all other vehicles, if equipped with dipstick. Heat Shield, Exhaust
Steering and Suspension
Inspect steering linkage and suspension. Vehicle (Multi-Point Inspection)
Perform Multi-Point Inspection (Recommended by Ford) Refer to Routine Service. Wheel Bearing
Inspect wheel ends for endplay and noise. Replace Cabin Air Filter
Replace cabin air filter, if equipped. Engine Oil
Fluid - A/T (4F50N & 4F27E Only)
Change automatic transmission/transaxle fluid on all vehicles equipped with 4F50N & 4F27E. Inspect automatic transmission fluid level on all other vehicles, if equipped with dipstick. Fuel Filter
Oil Filter, Engine
Rotate Tires