1992 Q45 Cranks but wont Start

[obtuce]

I have a 1992 Q45. Twice now once last year and again now, it will crank over but wont start. (Cranks like there is no compression) Last time it did this I thought the timing chain guides broke so I bought a engine for it. The day I went to go install the new engine my car started up. Ran funny for a few mins then cleared up and ran good for 9 months until now. The Crank, and Cam's turn. (I removed sensor on front of cams to look inside). Any help??? Thanks

[Q451990]

Did you recently start it in colder weather and quickly turn it off? (e.g. shuffling parking spots in the driveway). If so, it's very possible that you flooded the engine. The Q fires all of the injectors simultaneously and puts a lot of fuel in the engine - sort of a reverse choke, but instead of reducing the air in the fuel mixture, it increases the fuel. If you turn the engine off before it reaches operating temperature it's possible to leave a lot of unburnt fuel in the engine and wash the oil off of the piston rings.

Anyhow, try starting the engine with the gas pedal floored. The ECU will recognize this and bypass the heavy hit of fuel. So, floor it and hold the pedal down. Keep the starter engaged until either the engine starts or the battery dies.

Good luck!

Heath

[obtuce]

It worked!! You are a pimp. Thanks a lot. That's just what I did. After the car sat for a few days, I had people coming over so I just moved the car a few feet to get it out of the drive way. I cranked the Engine over and after 30 to 45 seconds of cranking it started. Thank you, Thank you,, Thank you....

[goody90q45]

Did you recently start it in colder weather and quickly turn it off? (e.g. shuffling parking spots in the driveway).....Heath

+1 Another save for Heath.

[Q451990]

I'm glad I could help!

Heath