Here's what some satisfied customers have to say
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Resolved a long-term gas mileage problem on my 2005 Murano that no one at Nissan or other shops seem to be able to resolve. After sever parts replacements and endless discussions I decided a performance engine expert, Walt's Danville Service was the only group capable of finding a solution.
It turns out the standard engine verification software and ODBII readings used for smog inspections does not measure ALL the inputs and was providing a passing grade even with a problem. Walt's Danville Service had the technology expertise to analyze the engine management system and identify the problem.
Walt Macor and his crew has more than 20 years of experience in building and repairing computer controlled engines. A key to resolving the problem was also Walt’s commitment and persistence to identifying the problem. The final solution was a faulty Air Flow Sensor. End of the day and an Air Flow Sensor replacement, PROBLEM SOLVED…I strongly recommend you give Walt a call if you have a problem that no one seems to be able to resolve. His contact information is:
Walt’s Danville Service, (www,waltsdanvilleservice.com) (925) 394-7860