1991 Volvo 240 Problems: 4 Known Issues
1991 model year · 200+ owner reports · Updated November 2026
According to Au7o's analysis of 200+ owner reports, the 1991 Volvo 240 has 4 documented known issues. None of the listed issues is rated critical; this is not a complete reliability assessment. The most commonly reported issue is Flame Trap (PCV) Clogging Causes Oil Leaks with 200 owner reports. Across all issues with published estimates, repair costs range from $20 to $600. DIY maintenance guides at au7o.io.
1991 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
No email neededHow interest is saved
Interest applies to the selected vehicle and configuration; it is not a reservation. Voting stores a first-party identifier for up to 180 days to prevent repeat votes. No account or email is needed. Clearing cookies or using another device may count separately. Privacy
Visual coming soon
Your interest helps us choose what to build next.
Visual Known Issues · Coming soon
$7.99/month plus taxes at launch on January 1, 2027 · No payment today
All 4 Known Issues
Join 700+ subscribers following Au7o for vehicle insights and updates.
Don't see your problem? Describe your symptoms to get a diagnosis, or get a full repair guide.
Other Volvo Models
Frequently Asked Questions
What are the most common Volvo 240 problems?
According to Au7o's analysis of 200+ owner reports, the 1991 Volvo 240 has 4 documented issues. The most frequently reported are: Flame Trap (PCV) Clogging Causes Oil Leaks, LH-Jetronic Fuel Injection and Idle Issues, Heater Control Valve Leak and Failure. None are rated critical, but regular maintenance is recommended.
Is the Volvo 240 reliable?
The 1991 Volvo 240 has 4 known issues documented across 200+ owner reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Volvo 240 problems?
Repair costs for known Volvo 240 issues range from $20 to $600, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1990-1993 Volvo 240 Flame Trap (PCV) Clogging Causes Oil Leaks?
The Volvo 240's flame trap (PCV system) clogs with oil residue over time, causing excessive crankcase pressure. This leads to oil being pushed past every gasket and seal in the engine, resulting in widespread oil leaks from the valve cover, rear main seal, and oil pan. It is the… Repairs typically run $20-$80. Severity: medium.
What is the 1990-1993 Volvo 240 LH-Jetronic Fuel Injection and Idle Issues?
The Bosch LH-Jetronic fuel injection system develops idle problems from worn air mass meter, idle air control valve failure, and vacuum leaks. The flame trap (PCV system) clogs, causing oil leaks and rough running. Repairs typically run $100-$600. Severity: medium.
What is the 1990-1993 Volvo 240 Heater Control Valve Leak and Failure?
The heater control valve leaks coolant or fails in the open or closed position, causing either no heat or constant heat regardless of the temperature knob position. It sits inside the cabin in the heater pipework behind the passenger footwell trim, so reaching it means removing t… Repairs typically run $30-$150. Severity: low.
What is the 1990-1993 Volvo 240 Automatic (AW70/AW71) Overdrive Relay and Solenoid Failure?
On 1990-1993 Volvo 240s this mainly affects cars with the AW70/AW71 four-speed automatic, whose fourth gear is an electrically switched overdrive (manual cars of these years generally use the M47 five-speed, which has no overdrive unit). The overdrive relay, wiring or solenoid fa… Repairs typically run $50-$500. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.