Okay well I always hear about people buying the smoke testers or making their own but have they performed the test the right way building up 4psi-6psi of smoke pressure in the system? That is the only way to do it right. And taking the dipstick out and putting your finger over the dipstick tube when smoke starts pumping out the tube is how you can build up the psi and watch the psi gauge on the smoke machine it goes up when you plug it with your finger. And before performing the smoke test going over any place for the smoke to escape covering all the places with plastic quart size baggies that the smoke can escape like the throttle body and or mass air meter so the system can build up the smoke pressure. Takes an experienced smoke test technician to do it right that has many many successful smoke tests under his belt.
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