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View Full Version : 98 mazda 1.8 fuel pressure


XxIriponzeesxX
07-08-2010, 08:46 AM
What's up everyone, I've got a question for all the miata fanboys. I was wondering if anyone had experience with the fuel pump pressure while cranking and while idling. I hooked a gauge up and read 40-45 psi for both.

My shop just replaced the head, timing is spot on. The car does not run, we have fuel at the injectors and spark. The car runs on a can carb clean when sprayed into the intake. We think its a fuel pressure problem but not sure of the specs. If anyone can help out it would be greatly appreciated.

Thank you.

smelly240
07-09-2010, 08:44 AM
with the vac line off - it is probably supposed to be at 43.5

XxIriponzeesxX
07-09-2010, 08:53 AM
Yeah, we ended up throwing injectors at it and that ended up fixing it. We had 4 techs looking at it and we all we scratching our heads lol