The worst 1999 Optima Opus 34 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 1
Fuel system, diesel
- What is wrong
- On trolleys and transit coaches equipped with cummins isb diesel engines, the fuel lift pump could fail in a manner which results in engine fuel starvation, which could result in a stall condition. Potential lift pump failure modes include: brush wear out, bushing failure, rotor tab insert failure, or any other failure mode that would cause the fuel pumping element to stop spinning.
- Risk
- If the fuel lift pump pumping element stops spinning and the fuel pumping vanes stop in a location which blocks fuel flow through the lift pump, the engine will be starved of fuel. Fuel starvation could cause low engine power, engine misfire, or engine stall. Prior to the engine stalling, the operator could experience low engine power, engine misfire, and/or dash-mounted fault lamp illumination.
- Remedy
- Cummins is conducting the owner notification and remedy for this campaign. Owners may contact cummins at 1‑800‑343‑7357 or optima at 316‑779‑7700.
Recall number 05V110000 · Recall details
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Questions about the 1999 Optima Opus 34
Is the 1999 Optima Opus 34 reliable?
Owners have filed 0 complaints about the 1999 Optima Opus 34.
What is the most common problem with the 1999 Optima Opus 34?
There are not enough complaints to tell.
How many recalls does the 1999 Optima Opus 34 have?
1 recall, covering fuel system, diesel.
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